Leviticus 26:3
"If ye walk in my statutes, and keep my commandments, and do them;"
Cross References (ranked by relevance)
Isaiah 1:19
If ye be willing and obedient, ye shall eat the good of the land:
Deuteronomy 7:12
Wherefore it shall come to pass, if ye hearken to these judgments, and keep, and do them, that the LORD thy God shall keep unto thee the covenant and the mercy which he sware unto thy fathers:
Revelation 22:14
Blessed are they that do his commandments, that they may have right to the tree of life, and may enter in through the gates into the city.