Ideas are like rabbits. You get a couple and learn how to handle them, and pretty soon you have a dozen. John Steinbeck
Building one space station for everyone was and is insane: we should have built a dozen. Larry Niven
One girl can be pretty - but a dozen are only a chorus. F. Scott Fitzgerald
It's like exchanging six for half a dozen. Portuguese Proverb
Eleven don't make a dozen. American Proverb
Six of one, and half a dozen of the other. Italian Proverb