Man's will, sustained by an indominable conviction, is much more powerful than material forces that seem insurmountable.

The most aggravating thing about the younger generation is that I no longer belong to it.

If there is no price to be paid, it is also not of value.

Human beings can attain a worthy and harmonious life only if they are able to rid themselves, within the limits of human nature, of the striving for the wish fulfillment of material kinds. The goal is to raise the spiritual values of society.

Imagination is more important than knowledge. Imagination is the language of the soul. Pay attention to your imagination and you will discover all you need to be fulfilled.

Pure mathematics is, in its way, the poetry of logical ideas. ... [By seeking] logical beauty spiritual formulas are discovered necessary for the deeper penetration into the laws of nature.

If one studies too zealously, one easily loses his pants.