“Philosophy begins in wonder. And at the end when philosophic thought has done its best the wonder remains.”

“The aim of science is to seek the simplest explanations of complex facts. We are apt to fall into the error of thinking that the facts are simple because simplicity is the goal of our quest. The gu...”

“Religion carries two sorts of people in two entirely opposite directions: the mild and gentle people it carries towards mercy and justice; the persecuting people it carries into fiendish sadistic c...”

“Wisdom is the fruit of a balanced development.”

“Let me here remind you that the essence of dramatic tragedy is not unhappiness. It resides in the solemnity of the remorseless working of things. This inevitableness of destiny can only be illustra...”

“Rightness of limitation is essential for growth of reality.Unlimited possibility and abstract creativity can procure nothing. The limitation, and the basis arising from what is already actual, are ...”

“If we had always thought from a so-called practical angle we wouldve never had anything new in this world. We wouldve hidden under the security of practicality and taken no risk, we would have nev...”

“Rounding to the nearest cent is sufficiently accurate for practical purposes.”

“If we had always thought from a so-called practical angle – we would’ve never had anything new in this world. We would’ve hidden under the security of practicality and taken no risk, we would have ...”

“Have you also learned that secret from the river; that there is no such thing as time?" That the river is everywhere at the same time, at the source and at the mouth, at the waterfall, at the ferry...”

“I was born behind the Iron Curtain, and I remember heated discussions about large-scale terra-forming projects, such as reversing the direction of the river Ob or putting up large reflectors into s...”

“You cannot step into the same river twice.”

“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.”