“Scientists do not join hands every Sunday and sing "Yes gravity is real! I know gravity is real! I will have faith! I believe in my heart that what goes up, up, up must come down, down, down. Amen!" If they did, we would think they were pretty insecure about the concept.”
“Many say "What goes up must come down." I believe this was spoken by a pessimist. I believe it is vitally important to remember that "What goes up...must have started some place." #workhard”
“What goes up must come down.”
“What goes up, must come down... Mustn't it?”
“Everything that goes up must come down. But there comes a time when not everything that's down can come up. ”
“What goes up must come down. Which is why we invented Viagra, to make it stay up a little longer.”