Genesis 17:9

And God said unto Abraham, Thou shalt keep my covenant therefore, thou, and thy seed after thee in their generations.

Cross References

Psalms 25:10 All the paths of the LORD are mercy and truth unto such as keep his covenant and his testimonies.
Psalms 103:18 To such as keep his covenant, and to those that remember his commandments to do them.
Isaiah 56:4-5 For thus saith the LORD unto the eunuchs that keep my sabbaths, and choose the things that please me, and take hold of my covenant; Even unto them will I give in mine house and within my walls a place and a name better than of sons and of daughters: I will give them an everlasting name, that shall not be cut off.