Authors:

I didn't know then what a sperm was, and so wouldn't understand his answer for several years. "My boy," he said, "you are descended from a long line of determined, resourceful, microscopic tadpoles-- champions every one.

Kurt Vonnegut (1999). “Galapagos: A Novel”, Dial Press
I didn't know then what a sperm was, and so wouldn't understand his answer for several years. My boy, he said, you are descended from a long line of determined, resourceful, microscopic tadpoles-- champions every one.