Genesis 41:26, 46, 49

The seven healthy cows and the seven healthy heads of grain both represent seven years of prosperity.

He was thirty years old when he began serving in the court of Pharaoh, the king of Egypt. And when Joseph left Pharaoh’s presence, he inspected the entire land of Egypt.

He piled up huge amounts of grain like sand on the seashore. Finally, he stopped keeping records because there was too much to measure.