Deuteronomy Chapter 8, Verse 2

2: And thou shalt remember all the way which the LORD thy God led thee these forty years in the wilderness, to humble thee, and to prove thee, to know what was in thine heart, whether thou wouldest keep his commandments, or no.- edit KJV text
2: And thou shalt remember all the way through which the Lord thy God hath brought thee for forty years through the desert, to afflict thee and to prove thee, and that the things that were known in thy heart might be made known, whether thou wouldst keep his commandments or no.— edit Douay text
2: And thou shalt remember all the way which the Lord thy God led thee in the wilderness, that he might afflict thee, and try thee, and that the things in thine heart might be made manifest, whether thou wouldest keep his commandments or no.— edit LXX text