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

“To be content with life, or to live merrily, rather, all that is required is that we bestow on all things only a fleeting, superficial glance; the more thoughtful we become the more earnest we grow”

“Nature never makes excellent things for mean or no uses”

“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”

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

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