Almost every famous person at least once in their life said something that was remembered by the society, and considered meaningful, important or just funny. Those quotations can be mentioned in various situations. Often they are used in speeches or in a humorous way. In order to find some of them grub around.
William occam
Date: October 10, 2008
Entia non sunt multiplicanda praeter necessitatem
(Entities must not be multiplied beyond necessity.)