Deuteronomy 28:9

9 The LORD will establish you as his holy people, as he promised you on oath, if you keep the commands of the LORD your God and walk in obedience to him.

Read Deuteronomy 28:9 Using Other Translations

The LORD shall establish thee an holy people unto himself, as he hath sworn unto thee, if thou shalt keep the commandments of the LORD thy God, and walk in his ways.
The LORD will establish you as a people holy to himself, as he has sworn to you, if you keep the commandments of the LORD your God and walk in his ways.
“If you obey the commands of the LORD your God and walk in his ways, the LORD will establish you as his holy people as he swore he would do.