“To treat your facts with imagination is one thing, to imagine your facts is another.”

“Knowledge is like a baobab tree - one person's arms are not enough to encompass it”

“If I’d listened to my consumers, I’d have given them a faster horse”

“Man may be considered as a superior species of animal that produces philosophies and poems in about the same way a silkworm produces their cocoons and bees their hives”

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

“It is a great pity when the one who should be the head figure is a mere figure head”