Although I cannot believe that the individual survives the death of his body, feeble souls harbor such thought through fear or ridiculous egotism.

I do not believe in the God of theology who rewards good and punishes evil.

From a certain temperature on, the molecules 'condense' without attractive forces; that is, they accumulate at zero velocity. The theory is pretty, but is there some truth in it.

It takes a different kind of thinking to solve a problem than the kind of thinking which produced the problem.

You can never solve a problem on the level on which it was created. Insanity: doing the same thing over and over again and expecting different results. A life lived for others is a life worthwhile.

Capitalism has brought with it progress, not merely in production but also in knowledge.

Politics is far more complicated than physics.