A problem cannot be solved at the level of consciousness in which it occurs.

Scientific greatness is less a matter of intelligence than character; if the scientist refuses to compromise or accept incomplete answers and persists in grappling the most basic and difficult questions.

If I had my life to live over again, I would elect to be a trader of goods rather than a student of science. I think barter is a noble thing.

The economic anarchy of capitalist society as it exists today is, in my opinion, the real source of evil.

How vile and despicable war seems to me! I would rather be hacked to pieces than take part in such an abominable business.

He who joyfully marches to music in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would suffice.

The chicken did not cross the road. The road passed beneath the chicken.