“I think and think for months and years. Ninety-nine times, the conclusion is false. The hundredth time I am right.”
“I do not know with what weapons World War 3 will be fought, but World War 4 will be fought with sticks and stones.”
“To put it boldly, it is the attempt at a posterior reconstruction of existence by the process of conceptualization.”
“In that way imagination and intelligence enter into our existence in the part of servants of the primary instincts.”
“Hunger, love, pain, fear are some of those inner forces which rule the individual's instinct for self preservation.”
“The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives.”
“Thought is the organizing factor in man, intersected between the causal primary instincts and the resulting actions.”
“They come into being not through demonstration but through revelation, through the medium of powerful personalities.”
“The highest principles for our aspirations and judgments are given to us in the Jewish-Christian religious tradition.”
“The significant problems we face today cannot be solved at the same level of thinking we were at when we created them.”
“This is what the painter, the poet, the speculative philosopher, and the natural scientists do, each in his own fashion.”
“If A equals success, then the formula is A equals X plus Y and Z, with X being work, Y play, and Z keeping your mouth shut.”
“The American lives even more for his goals, for the future, than the European. Life for him is always becoming, never being.”
“Nothing is more destructive of respect for the government and the law of the land than passing laws which cannot be enforced.”
“When the number of factors coming into play in a phenomenological complex is too large scientific method in most cases fails.”
“Whoever undertakes to set himself up as judge in the field of truth and knowledge is shipwrecked by the laughter of the Gods.”
“There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle.”
“Science is the attempt to make the chaotic diversity of our sense experience correspond to a logically uniform system of thought.”
“Though our conduct seems so very different from that of the higher animals, the primary instincts are much alike in them and in us.”
“The unleashed power of the atom has changed everything save our modes of thinking and we thus drift toward unparalleled catastrophe.”
“Science can only ascertain what is, but not what should be, and outside of its domain value judgments of all kinds remain necessary.”
“The difference between what the most and the least learned people know is inexpressibly trivial in relation to that which is unknown.”
“Nothing will benefit human health and increase the chances for survival of life on Earth as much as the evolution to a vegetarian diet”
“As far as the laws of mathematics refer to reality, they are not certain, and as far as they are certain, they do not refer to reality.”
“The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it.”
“Most of the fundamental ideas of science are essentially simple, and may, as a rule, be expressed in a language comprehensible to everyone.”
“The formulation of a problem is often more essential than its solution, which may be merely a matter of mathematical or experimental skill.”
“All meaningful and lasting change starts first in your imagination and then works its way out. Imagination is more important than knowledge.”
“One strength of the communist system of the East is that it has some of the character of a religion and inspires the emotions of a religion.”
“During the last century, and part of the one before, it was widely held that there was an unreconcilable conflict between knowledge and belief.”