Deuteronomy 32:46-47

MSTC(i) 46 then he said unto them, "Set your hearts unto all the words which I testify unto you this day: that ye command them unto your children, to observe and do all the words of this law. 47 For it is not a vain word unto you: but it is your life: and through this word ye shall prolong your days in the land whither ye go over Jordan to conquer it."