Genesis 41:17-21

And Pharaoh spake unto Joseph, In my dream, behold, I stood upon the brink of the river: and, behold, there came up out of the river seven kine, fat-fleshed and well-favored: and they fed in the reed-grass: and, behold, seven other kine came up after them, poor and very ill-favored and lean-fleshed, such as I never saw in all the land of Egypt for badness: and the lean and ill-favored kine did eat up the first seven fat kine: and when they had eaten them up, it could not be known that they had eaten them; but they were still ill-favored, as at the beginning. So I awoke.