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.
Konrad lorenz
Date: December 23, 2007
It is a good morning exercise for a research scientist to discard a pet hypothesis every day before breakfast. It keeps him young.