Be a loner. That gives you time to wonder, to search for the truth. Have holy curiosity. Make your life worth living.

Thanks to my fortunate idea of introducing the relativity principle into physics, you (and others) now enormously overrate my scientific abilities, to the point where this makes me quite uncomfortable.

The emotional state that leads to achievements resembles that of a worshiper or the lover.

We all try to escape pain and death, while we seek what is pleasant.

The pioneers of a warless world are the young men (and women) who refuse military service.

Warfare cannot be humanized.

It is, in fact, nothing short of a miracle that the modern methods of instruction have not yet entirely strangled the holy curiosity of inquiry; for this delicate little plant, aside from stimulation, stands mainly in need of freedom; without this it goes to wrack and ruin without fail. It is a grave mistake to think that the enjoyment of seeing and searching can be promoted by means of coercion and a sense of duty.