ESV: if only you will strictly obey the voice of the Lord your God, being careful to do all this commandment that I command you today.
NIV: if only you fully obey the Lord your God and are careful to follow all these commands I am giving you today.
NASB: if only you listen obediently to the voice of the Lord your God, to follow carefully all this commandment which I am commanding you today.
CSB: if only you obey the Lord your God and are careful to follow every one of these commands I am giving you today.
NLT: You will receive this blessing if you are careful to obey all the commands of the Lord your God that I am giving you today.
KJV: 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.
NKJV: only if you carefully obey the voice of the Lord your God, to observe with care all these commandments which I command you today.