“Man has lost the capacity to foresee and to forestall. He will end by destroying the earth”

“Not the fruit of experience, but experience itself, is the end ”

“If one does not know to which port one is sailing, no wind is favorable ”

“A hen is only an egg's way of making another egg ”

“If one way be better than another, that you may be sure is nature's way”

“Don't be afraid to give up the good to go for the great ”