“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”

“Of the two powers, the two categories that take possession of us when we enter the world, space is by far the less mysterious. . . . Space is, after all, solid, monolithic. . . . Time, on the other...”

“The Earth is a very small stage in a vast cosmic arena. Think of the rivers of blood spilled by all those generals and emperors so that, in glory and triumph, they could become the momentary master...”

“A human being is a part of the whole, called by us "Universe", a part limited in time and space.”

“Sara, we have to go," she whispers, even though my dad isn't there to hear her. She's not crying. She's calm. Matter-of-fact. As if she's asking me whether I want mayo or mustard on my sandwich. Ex...”

“The sky is deep, the sky is dark. The light of the stars is o damn stark/When I look up, I fill with fear, if all we have is what lies here, this lonely world, this troubled place, then cold dead s...”

“It is said that in death, all things become clear.”