because you obey the LORD your God, keeping all His commandments I am giving you today and doing what is right in the eyes of the LORD your God.
KJV
When thou shalt hearken to the voice of the LORD thy God, to keep all his commandments which I command thee this day, to do [that which is] right in the eyes of the LORD thy God.
ASV
when thou shalt hearken to the voice of Jehovah thy God, to keep all his commandments which I command thee this day, to do that which is right in the eyes of Jehovah thy God.