Samuel Goldwyn (1882 - 1974), Goldwyn's Law of Contracts
Yesterday I was a dog. Today I'm a dog. Tomorrow I'll probably still be a dog. Sigh! There's so little hope for advancement.
Charles M. Schulz (1922 - 2000), (Snoopy)
Given a choice between two theories, take the one which is funnier.
Blore's Razor
A book of quotations . . . can never be complete.
Robert M. Hamilton