Hebrews 3:9

He brought them out, after that he had shewed wonders and signs in the land of Egypt, and in the Red sea, and in the wilderness forty years.

Only take heed to thyself, and keep thy soul diligently, lest thou forget the things which thine eyes have seen, and lest they depart from thy heart all the days of thy life: but teach them thy sons, and thy sons’ sons;

Your eyes have seen what the Lord did because of Baal–peor: for all the men that followed Baal–peor, the Lord thy God hath destroyed them from among you.

Thy raiment waxed not old upon thee, neither did thy foot swell, these forty years.

Ye have seen what I did unto the Egyptians, and how I bare you on eagles’ wings, and brought you unto myself.

And when they cried unto the Lord, he put darkness between you and the Egyptians, and brought the sea upon them, and covered them; and your eyes have seen what I have done in Egypt: and ye dwelt in the wilderness a long season.

But Elymas the sorcerer (for so is his name by interpretation) withstood them, seeking to turn away the deputy from the faith.

Also I brought you up from the land of Egypt, and led you forty years through the wilderness, to possess the land of the Amorite.

And Moses called unto all Israel, and said unto them, Ye have seen all that the Lord did before your eyes in the land of Egypt unto Pharaoh, and unto all his servants, and unto all his land;

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.

And the Lord said unto Moses, Thus thou shalt say unto the children of Israel, Ye have seen that I have talked with you from heaven.

And ye have seen all that the Lord your God hath done unto all these nations because of you; for the Lord your God is he that hath fought for you.

Then Jesus answering said unto them, Go your way, and tell John what things ye have seen and heard; how that the blind see, the lame walk, the lepers are cleansed, the deaf hear, the dead are raised, to the poor the gospel is preached.

And your children shall wander in the wilderness forty years, and bear your whoredoms, until your carcases be wasted in the wilderness.

But your eyes have seen all the great acts of the Lord which he did.

For the children of Israel walked forty years in the wilderness, till all the people that were men of war, which came out of Egypt, were consumed, because they obeyed not the voice of the Lord: unto whom the Lord sware that he would not shew them the land, which the Lord sware unto their fathers that he would give us, a land that floweth with milk and honey.