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.
A hundred times every day I remind myself that my inner and outer life depend on the labours of other men living and dead and that I must exert myself in order to give in the same measure as I have...
I have no special talents. I am only passionately curious.
In scientific thinking are always present elements of poetry. Science and music requires a thought homogeneous.
Even on the most solemn occasions I got away without wearing socks and hid that lack of civilization in high boots
You never fail until you stop trying.
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.
Science without religion is lame, religion without science is blind.
I cannot imagine a God who rewards and punishes the objects of his creation and is but a reflection of human frailty.
Science can only ascertain what is, but not what should be, and outside of its domain value, elly judgments of all kinds remain necessary.
E = MC^2: Energy equals mass times the speed of light squared.
God is clever but not dishonest.
Those who have the privilege to know have the duty to act, and in that action are the seeds of new knowledge.
Great spirits have always found violent opposition from mediocrities. The latter cannot understand it when a man does not thoughtlessly submit to hereditary prejudices but honestly and courageously us...
A society's competitive advantage will come not from how well its schools teach the multiplication and periodic tables, but from how well they stimulate imagination and creativity.
I would not think that philosophy and reason themselves will be man's guide in the foreseeable future; however, they will remain the most beautiful sanctuary they have always been for the select few.
Never memorize something that you can look up.
Life isn't worth living, unless it is lived for someone else.
We know from daily life that we exist for other people first of all, for whose smiles and well-being our own happiness depends.
Reality is merely an illusion, albeit a very persistent one.