The only real valuable thing is intuition.
Few are those who see with their own eyes and feel with their own hearts.
God always takes the simplest way.
True religion is real living; living with all one's soul, with all one's goodness and righteousness.
Science without religion is lame, religion without science is blind.
Weakness of attitude becomes weakness of character.
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.
Never lose a holy curiosity.
Before God we are all equally wise - and equally foolish.
Anyone who doesn't take truth seriously in small matters cannot be trusted in large ones either.
Concern for man and his fate must always form the chief interest of all technical endeavors. Never forget this in the midst of your diagrams and equations.
Small is the number of people who see with their eyes and think with their minds.
The true sign of intelligence is not knowledge but imagination.
Try not to become a man of success, but rather try to become a man of value.
All that is valuable in human society depends upon the opportunity for development accorded the individual.
I am enough of an artist to draw freely upon my imagination.
Nationalism is an infantile disease. It is the measles of mankind.
It is only to the individual that a soul is given.
It stands to the everlasting credit of science that by acting on the human mind it has overcome man's insecurity before himself and before nature.
Most people say that it is the intellect which makes a great scientist. They are wrong: it is character.
I do not believe in immortality of the individual, and I consider ethics to be an exclusively human concern with no superhuman authority behind it.
Logic will get you from A to B. Imagination will take you everywhere.
Science is a wonderful thing if one does not have to earn one's living at it.
I do not believe that civilization will be wiped out in a war fought with the atomic bomb. Perhaps two-thirds of the people of the earth will be killed.
I have just got a new theory of eternity.
The devil has put a penalty on all things we enjoy in life. Either we suffer in health or we suffer in soul or we get fat.
Force always attracts men of low morality.
It is the supreme art of the teacher to awaken joy in creative expression and knowledge.
The most incomprehensible thing about the world is that it is comprehensible.
I am not only a pacifist but a militant pacifist. I am willing to fight for peace. Nothing will end war unless the people themselves refuse to go to war.
As far as I'm concerned, I prefer silent vice to ostentatious virtue.
The gift of fantasy has meant more to me than my talent for absorbing positive knowledge.
Look deep into nature, and then you will understand everything better.
All religions, arts and sciences are branches of the same tree.
There is no logical way to the discovery of these elemental laws. There is only the way of intuition, which is helped by a feeling for the order lying behind the appearance.
Occurrences in this domain are beyond the reach of exact prediction because of the variety of factors in operation, not because of any lack of order in nature.