Genesis 41:17-21

Then Pharaoh said to Joseph, “In my dream I was standing on the bank of the Nile. Seven cows, shimmering with health, came up out of the river and grazed on the marsh grass. On their heels seven more cows, all skin and bones, came up. I’ve never seen uglier cows anywhere in Egypt. Then the seven skinny, ugly cows ate up the first seven healthy cows. But you couldn’t tell by looking—after eating them up they were just as skinny and ugly as before. Then I woke up.