“Science has done more for the development of western civilization in one hundred years than Christianity did in eighteen hundred years.”

“The human tendency to regard little things as important has produced very many great things”

“A good metaphor is something even the police should keep an eye on”

“If you think you can do it, you can.”

“By perseverance the snail reached the ark”

“The worst thing that can happen to a man who gambles is to win”