The belief that there is only one truth and that oneself is in possession of it seems to me the deepest root of all evil that is in the world.
Everything we call real is made of things that cannot be regarded as real.
Niels Henrik David Bohr
Nature is earlier than man, but man is earlier than natural science.
Later, however, I came to recognize the objective nature of these dreams or fantasies ... Thus it was that I gradually came to acknowledge that such fantasies or dreams are neither meaningless nor purely arbitrary but rather convey a sort of 'second meaning' of the terms applied.
It would appear that we have reached the limits of what it is possible to achieve with computer technology, although one should be careful with such statements, as they tend to sound pretty silly in 5 years.
John von Neumann
My passionate sense of social justice and social responsibility has always contrasted oddly with my pronounced lack of need for direct contact with other human beings and human communities. I am truly a "lone traveler" and have never belonged to my country, my home, my friends, or even my immediate family, with my whole heart; in the face of all these ties, I have never lost a sense of distance and a need for solitude - feelings which increase with the years.
If we are going to stick to this damned quantum-jumping, then I regret that I ever had anything to do with quantum theory.
A scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die and a new generation grows up that is familiar with it.