'Forty Years' in the Bible

For the man was above forty years old, on whom this miracle of healing was showed.

And when he was forty years old, it came into his heart to visit his brethren the children of Israel.

And when forty years were expired, there appeared to him in the wilderness of mount Sinai an angel of the Lord in a flame of fire in a bush.

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

Then God turned, and gave them up to worship the host of heaven; as it is written in the book of the prophets, O you house of Israel, have you offered to me slain beasts and sacrifices by the space of forty years in the wilderness?

And about the time of forty years he endured their manners in the wilderness.

And afterward they desired a king: and God gave unto them Saul the son of Kish, a man of the tribe of Benjamin, for forty years.