'Forty Years' in the Bible

For the man who was the subject of this miraculous cure was more than forty years old.

Forty years had passed when there appeared to him, in the Desert of Mount Sinai, an angel in a flame of fire in a bush.

He it was who led them out, after he had shown wonders and signs in Egypt, in the Red Sea, and in the Desert during forty years.

So God turned from them and left them to the worship of the Starry Host, as is written in the Book of the Prophets--'Did you offer victims and sacrifices to me, O House of Israel, all those forty years in the Desert?

For about forty years 'he bore with them in the Desert';

And, when they demanded a king, God gave them Saul the son of Kish, a man of the tribe of Benjamin, who reigned for forty years.