Worship God by keeping his commandments:

THE TEN COMMANDMENTS

#1 -- You shall have no other gods before me --- Exodus 20:1-3; Deuteronomy 5:6-7
#2 -- You shall not make unto you any graven image or likeness of any thing --- Exodus 20:4-6; Deuteronomy 5:8-10
#3 -- You shall not take the name of the Lord God in vain --- Exodus 20:7; Deuteronomy 5:11
#4 -- Remember the seventh day sabbath to keep it holy --- Exodus 20:8-11; Deuteronomy 5:12-15
#5 -- Honor your father and mother --- Exodus 20:12; Deuteronomy 5:16
#6 -- You shall not kill --- Exodus 20:13; Deuteronomy 5:17
#7 -- You shall not commit adultery --- Exodus 20:14; Deuteronomy 5:18
#8 -- You shall not steal --- Exodus 20:15; Deuteronomy 5:19
#9 -- You shall not lie --- Exodus 20:16; Deuteronomy 5:20
#10 -- You shall not covet --- Exodus 20:17; Deuteronomy 5:21

Actions speak louder than words:
Not everyone that says to me, Lord, Lord, will enter heaven, but he that keeps the commandments --- Matthew 7:21-23

Jesus does not force anyone to love him:
Jesus said, if you love me, keep my commandments --- John 14:15

Entrance to heaven is based on keeping the commandments:
Blessed are they that do his commandments, they may enter heaven --- Revelation 22:14

Keep all Ten Commandments, do not lack one:
Jesus told the rich young ruler to keep all Ten Commandments, do not lack one --- Matthew 19:16-17; Mark 10:17-18; Luke 10:25-28; Luke 18:18-20

If one goes astray, seek him:
Know if one has gone astray so you can seek him, for your Father in heaven desires that not one of these little ones should perish --- Matthew 18:12-14

Meet with one who has trespassed against you:
Meet with the one who has trespassed against you so you can tell him his fault just between the two of you --- Matthew 18:15-17

Pray together:
When two agree as touching any thing they ask, it shall be done for them by the Father in heaven --- Matthew 18:18-19

Gather together in the name of Jesus:
Where two or three are gathered in my name, there I am in their midst --- Matthew 18:20

Forgive four hundred ninety times:
Forgive your brother seventy times seven times for sinning against you --- Matthew 18:21-22

Do not keep company or eat with a hypocrite:
Do not keep company or eat with a man that is called a brother and yet is a fornicator, covetous, an idolater, a railer, a drunkard, or an extortioner --- 1 Corinthians 5:11

Judge those who call themselves Christian but are not:
Judge those that are within --- 1 Corinthians 5:12
God will judge those that are without --- 1 Corinthians 5:13

Examine yourself:
Let a man examine himself, and so let him eat of that bread, and drink of that cup --- 1 Corinthians 11:28

Examine yourself, whether you are in the faith, prove yourself, know that Jesus is in you, unless you are reprobate --- 2 Corinthians 13:5