-- God saw the wickedness of man was great in the earth --- Genesis 6:5
-- God saw that every imagination of the thoughts of man was evil continually --- Genesis 6:5
-- the earth was filled with violence --- Genesis 6:11
-- all flesh had corrupted his way on the earth --- Genesis 6:12
-- the earth is filled with violence Genesis 6:13
-- Sarah laughed within herself, the Lord knew Sarah laughed --- Genesis 18:12-13
-- the Lord searches all hearts, and understands the imaginations of the thoughts --- 1 Chronicles 28:9
-- all my desire is before you, and my groaning is not hid from you --- Psalm 38:9
-- God knows the secrets of the heart --- Psalm 44:21
-- The Lord knows the thoughts of man --- Psalm 94:11
-- Search me, O God, and know my heart and thoughts --- Psalm 139:23
-- The thoughts of the wicked are an abomination to the Lord --- Proverbs 15:26
-- Woe to them that seek to hide their counsel from the Lord --- Isaiah 29:15
-- their thoughts are thoughts of iniquity --- Isaiah 59:7
-- For I know their works and their thoughts --- Isaiah 66:18
-- How long shall your vain thoughts lodge within you --- Jeremiah 4:14
-- I will bring evil upon this people, even the fruit of their thoughts --- Jeremiah 6:19
-- Lord of hosts, that sees the reins and the heart --- Jeremiah 20:12
-- the Lord knows the things that come into your mind --- Ezekiel 11:5
-- your Father knows what you need before you ask --- Matthew 6:8; Luke 12:30
-- out of the heart proceed evil thoughts --- Matthew 15:19; Mark 7:21
-- your Father knows that you have need of these things --- Luke 12:30
-- we must all be judged of Christ for our deeds, the things done, not thought --- 2 Corinthians 5:10
-- the word of God is a discerner of the thoughts and intents of the heart --- Hebrews 4:12
-- I, God, will give to every one of you according to your works --- Revelation 2:23
-- the devil will cause all to receive a mark in their hand or forehead --- Revelation 13:16
-- if any man worship the beast, receiving his mark in his forehad or in his hand --- Revelation 14:9
-- the saints keep the commandments of God and the faith of Jesus --- Revelation 14:12
-- those worshipping the beast receive his mark on their foreheads or in their hands --- Revelation 20:4
-- great white throne judges the dead according to their works --- Revelation 20:12-13

Genesis 6:5 KJV
[5] And God saw that the wickedness of man was great in the earth, and that every imagination of the thoughts of his heart was only evil continually.

Genesis 6:11-13 KJV
[11] The earth also was corrupt before God, and the earth was filled with violence. [12] And God looked upon the earth, and, behold, it was corrupt; for all flesh had corrupted his way upon the earth. [13] And God said unto Noah, The end of all flesh is come before me; for the earth is filled with violence through them; and, behold, I will destroy them with the earth.

Genesis 18:12-13 KJV
[12] Therefore Sarah laughed within herself, saying, After I am waxed old shall I have pleasure, my lord being old also? [13] And the Lord said unto Abraham, Wherefore did Sarah laugh, saying, Shall I of a surety bear a child, which am old?

1 Chronicles 28:9 KJV
[9] And thou, Solomon my son, know thou the God of thy father, and serve him with a perfect heart and with a willing mind: for the Lord searcheth all hearts, and understandeth all the imaginations of the thoughts: if thou seek him, he will be found of thee; but if thou forsake him, he will cast thee off for ever.

Psalm 38:9 KJV
[9] Lord, all my desire is before thee; and my groaning is not hid from thee. [10] My heart panteth, my strength faileth me: as for the light of mine eyes, it also is gone from me.

Psalm 44:21 KJV
[21] Shall not God search this out? for he knoweth the secrets of the heart.

Psalm 94:11 KJV
[11] The Lord knoweth the thoughts of man, that they are vanity.

Psalm 139:23 KJV
[23] Search me, O God, and know my heart: try me, and know my thoughts:

Proverbs 15:26 KJV
[26] The thoughts of the wicked are an abomination to the Lord: but the words of the pure are pleasant words.

Isaiah 29:15 KJV
[15] Woe unto them that seek deep to hide their counsel from the Lord, and their works are in the dark, and they say, Who seeth us? and who knoweth us?

Isaiah 59:7 KJV
[7] Their feet run to evil, and they make haste to shed innocent blood: their thoughts are thoughts of iniquity; wasting and destruction are in their paths.

Isaiah 66:18 KJV
[18] For I know their works and their thoughts: it shall come, that I will gather all nations and tongues; and they shall come, and see my glory.

Jeremiah 4:14 KJV
[14] O Jerusalem, wash thine heart from wickedness, that thou mayest be saved. How long shall thy vain thoughts lodge within thee?

Jeremiah 6:19 KJV
[19] Hear, O earth: behold, I will bring evil upon this people, even the fruit of their thoughts, because they have not hearkened unto my words, nor to my law, but rejected it.

Jeremiah 20:12-13 KJV
[12] But, O Lord of hosts, that triest the righteous, and seest the reins and the heart, let me see thy vengeance on them: for unto thee have I opened my cause. [13] Sing unto the Lord, praise ye the Lord: for he hath delivered the soul of the poor from the hand of evildoers.

Ezekiel 11:5 KJV
[5] And the Spirit of the Lord fell upon me, and said unto me, Speak; Thus saith the Lord; Thus have ye said, O house of Israel: for I know the things that come into your mind, every one of them.

Matthew 6:8 KJV
[8] Be not ye therefore like unto them: for your Father knoweth what things ye have need of, before ye ask him.

Matthew 7:21-23 KJV
[21] Not every one that saith unto me, Lord, Lord, shall enter into the kingdom of heaven; but he that doeth the will of my Father which is in heaven. [22] Many will say to me in that day, Lord, Lord, have we not prophesied in thy name? and in thy name have cast out devils? and in thy name done many wonderful works? [23] And then will I profess unto them, I never knew you: depart from me, ye that work iniquity.

Matthew 15:19 KJV
[19] For out of the heart proceed evil thoughts, murders, adulteries, fornications, thefts, false witness, blasphemies:

Mark 7:21 KJV
[21] For from within, out of the heart of men, proceed evil thoughts, adulteries, fornications, murders,

Luke 12:30 KJV
[30] For all these things do the nations of the world seek after: and your Father knoweth that ye have need of these things.

Luke 16:15 KJV
[15] And he said unto them, Ye are they which justify yourselves before men; but God knoweth your hearts: for that which is highly esteemed among men is abomination in the sight of God.

Acts 15:8 KJV
[8] And God, which knoweth the hearts, bare them witness, giving them the Holy Ghost, even as he did unto us;

2 Corinthians 5:10 KJV
[10] For we must all appear before the judgment seat of Christ; that every one may receive the things done in his body, according to that he hath done, whether it be good or bad.

2 Timothy 2:19-21 KJV
[19] Nevertheless the foundation of God standeth sure, having this seal, The Lord knoweth them that are his. And, Let every one that nameth the name of Christ depart from iniquity. [20] But in a great house there are not only vessels of gold and of silver, but also of wood and of earth; and some to honour, and some to dishonour. [21] If a man therefore purge himself from these, (Then) he shall be a vessel unto honour, sanctified, and meet for the master's use, and prepared unto every good work.

Hebrews 4:12 KJV
[12] For the word of God is quick, and powerful, and sharper than any twoedged sword, piercing even to the dividing asunder of soul and spirit, and of the joints and marrow, and is a discerner of the thoughts and intents of the heart.

Hebrews 10:26 KJV
[26] For if we sin wilfully after that we have received the knowledge of the truth, (Then) there remaineth no more sacrifice for sins,

Hebrews 10:35-38 KJV
[35] Cast not away therefore your confidence, which hath great recompence of reward. [36] For ye have need of patience, that, after ye have done the will of God, ye might receive the promise. [37] For yet a little while, and he that shall come will come, and will not tarry. [38] Now the just shall live by faith: but if any man draw back, my soul shall have no pleasure in him.

1 John 3:20 KJV
[20] For if our heart condemn us, God is greater than our heart, and knoweth all things.

Revelation 2:23 KJV
[23] And I will kill her children with death; and all the churches shall know that I am he which searcheth the reins and hearts: and I will give unto every one of you according to your works.

Revelation 20:12 KJV
[12] And I saw the dead, small and great, stand before God; and the books were opened: and another book was opened, which is the book of life: and the dead were judged out of those things which were written in the books, according to their works.

Revelation 20:13 KJV
[13] And the sea gave up the dead which were in it; and death and hell delivered up the dead which were in them: and they were judged every man according to their works.

God wants to "know" that a man loves him.

God created man in his own image with a free will to make choices.
God desires all men to choose to love him.
God will know that a man loves him, if that man will keep his commandments.
It is by the deeds of a man that God knows that man loves him.

John 14:15 KJV
[15] If ye love me, keep my commandments.

John 14:21 KJV
[21] He that hath my commandments, and keepeth them, he it is that loveth me: and he that loveth me shall be loved of my Father, and I will love him, and will manifest myself to him.

John 14:23 KJV
[23] Jesus answered and said unto him, If a man love me, he will keep my words: and my Father will love him, and we will come unto him, and make our abode with him.

John 14:24 KJV
[24] He that loveth me not keepeth not my sayings: and the word which ye hear is not mine, but the Father's which sent me.