American Standard Version (ASV):
And he said unto them, Set your heart unto all the words which I testify unto you this day, which ye shall command your children to observe to do, [even] all the words of this law.
King James Version (KJV):
And he said unto them, Set your hearts unto all the words which I testify among you this day, which ye shall command your children to observe to do, all the words of this law.