Abraham kept and obeyed all the commandments of God, and God called him his friend.
Genesis 26:5

Abraham obeyed, trusted, and believed God:

Abraham, obeyed the commandments of God --- Genesis 26:5

Abraham trusted God and obeyed, even to the offering up his only begotten son, Isaac --- Hebrews 11:17

Abraham believed God, and was called the Friend of God --- James 2:23


God created the Seventh Day Sabbath and commanded that we should remember it, and keep it holy:

Just as God accepted Abraham as his friend, so God will accept us if we keep and remember his Seventh Day Sabbath.
Genesis 2:1-3 the creation of the Seventh Day Sabbath.


The Commandment of God to keep and remember the Seventh Day Sabbath:

Exodus 20:8-11 The Fourth Commandment of the Ten Commandments.

Deuteronomy 5:12-15 The Fourth Commandment of the Ten Commandments.