The opinion prevailed among advanced minds that it was time that belief should be replaced increasingly by knowledge belief that did not itself rest on knowledge was superstition, and as such had to be opposed.
The hardest thing to understand in the world is the income tax.
Nationalism is an infantile disease. It is the measles of mankind.
I believe that the first step in the setting of a real external world is the formation of the concept of bodily objects and of bodily objects of various kinds.
How vile and despicable war seems to me I would rather be hacked to pieces than take part in such an abominable business.
The most beautiful thing we can experience is the mysterious. It is the source of all true art and science.
If people are good only because they fear punishment, and hope for reward, then we are a sorry lot indeed.
We have penetrated far less deeply into the regularities obtaining within the realm of living things, but deeply enough nevertheless to sense at least the rule of fixed necessity... what is still lacking here is a grasp of the connections of profound generality, but not a knowledge of order itself.
The grand aim of all science is to cover the greatest number of empirical facts by logical deduction from the smallest number of hypotheses or axioms.
The only reason for time is so that everything doesn't happen at once.
We cannot despair of humanity, since we ourselves are human beings.
Dear Miss .I have read about sixteen pages of your manuscript ... I suffered exactly the same treatment at the hands of my teachers who disliked me for my independence and passed over me when they wanted assistants ... keep your manuscript for your s
It seems to me that the idea of a personal God is an anthropological concept which I cannot take seriously. I also cannot imagine some will or goal outside the human sphere.
When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity.
We cannot solve our problems with the same thinking we used when we created them.
The secret to creativity is knowing how to hide your sources.
Only a life lived for others is worth living.
To punish me for my contempt for authority, fate made me an authority myself.
It is quite possible that we can do greater things than Jesus, for what is written in the Bible about him is poetically embellished
We come now to the question what is a priori certain or necessary, respectively in geometry (doctrine of space) or its foundations Formerly we thought everything nowadays we think nothing. Already the distance-concept is logically arbitrary there need be no things that correspond to it, even approximately.
How can it be that mathematics, being after all a product of human thought independent of experience, is so admirably adapted to the objects of reality.
We believe that an informed citizenry will act for life and not for death.
To the Master's honor all must turn, each in its track, without a sound, forever tracing Newton's ground.
Peace cannot be kept by force; it can only be achieved by understanding.
Wisdom is not a product of schooling but of the lifelong attempt to acquire it.
I do not believe in the immortality of the individual, and I consider ethics to be an exclusively human concern without any superhuman authority behind it.
Do you believe in immortality No, and one life is enough for me
The world is not dangerous because of those who do harm but because of those who look at it without doing anything
Confusion of goals and perfection of means seems, in my opinion, to characterize our age.
What is the meaning of human life, or of organic life altogether To answer this question at all implies a religion. Is there any sense then, you ask, in putting it I answer, the man who regards his own life and that of his fellow creatures as meaningless is not merely unfortunate but almost disqualified for life. The World as I See It, 1934
Stephen Hawking - Werner Heisenberg - Roger Penrose - Richard P. Feynman - Niels Bohr - Murray Gell-Mann - Freeman Dyson - Edward Teller - Brian Greene - Andrei Sakharov