“You cannot imagine the craving for rest that I feela hunger and thirst. For six long days, since my work was done, my mind has been a whirlpool, swift, unprogressive and incessant, a torrent of tho...”

“The study of Nature makes a man at last as remorseless as Nature.”

“Suddenly, like a thing falling upon me from without, came fear.”

“The crying sounded even louder out of doors. It was as if all the pain in the world had found a voice. Yet had I known such pain was in the next room, and had it been dumb, I believeI have thought ...”

“A federation of all humanity, together with a sufficient measure of social justice, to ensure health, education, and a rough equality of opportunity to most of the children born into the world, wou...”

“Find the thing you want to do most intensely, make sure thats it, and do it with all your might. If you live, well and good. If you die, well and good. Your purpose is done”

“The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives.”

“[I]sn't it sad to go to your grave without ever wondering why you were born? Who, with such a thought, would not spring from bed, eager to resume discovering the world and rejoicing to be part of it?”

“I have not yet lost a feeling of wonder, and of delight, that the delicate motion should reside in all the things around us, revealing itself only to him who looks for it.”