Deuteronomy 15:5

Only if thou carefully hearken unto the voice of the LORD thy God, to observe to do all these commandments which I command thee this day.

if only you diligently listen to the voice of Yahweh your God, to observe to do all this commandment which I command you this day.

if only thou diligently hearken unto the voice of Jehovah thy God, to observe to do all this commandment which I command thee this day.

`Only, if thou dost diligently hearken to the voice of Jehovah thy God, to observe to do all this command which I am commanding thee to-day,

if only you obey the LORD your God and are careful to follow all these commandments I am giving you today.