Parallel
Joshua 1:8
Brenton's English Septuagint · Berean Standard Bible
And the book of this law shall not depart out of thy mouth, and thou shalt meditate in it day and night, that thou mayest know how to do all the things that are written [in it]; then shalt thou prosper, and make thy ways prosperous, and then shalt thou be wise.
This Book of the Law must not depart from your mouth; meditate on it day and night, so that you may be careful to do everything written in it. For then you will prosper and succeed in all you do.