You know, what Einstein has just said isn't so stupid.

If speculative ideas can not be tested, they're not science; they don't even rise to the level of being wrong.

Aristotle was by far a less able thinker than Plato ... he was completely overwhelmed by Plato.

If I understand Dirac correctly, his meaning is this: there is no God, and Dirac is his Prophet.

The layman always means, when he says "reality" that he is speaking of something self-evidently known; whereas to me it seems the most important and exceedingly difficult task of our time is to work on the construction of a new idea of reality.

Everything comes to him who knows how to wait.

To us ... the only acceptable point of view appears to be the one that recognizes both sides of reality-the quantitative and the qualitative, the physical and the psychical-as compatible with each other, and can embrace them simultaneously ... It would be most satisfactory of all if physis and psyche (i.e., matter and mind) could be seen as complementary aspects of the same reality.