Genesis 41:28 (KJV)

The seven good kine are seven years; and the seven good ears are seven years: the dream is one.

And the seven thin and ill favoured kine that came up after them are seven years; and the seven empty ears blasted with the east wind shall be seven years of famine.

This is the thing which I have spoken unto Pharaoh: What God is about to do he sheweth unto Pharaoh.

Behold, there come seven years of great plenty throughout all the land of Egypt:

And there shall arise after them seven years of famine; and all the plenty shall be forgotten in the land of Egypt; and the famine shall consume the land;