To know what is impenetrable to us really exists, manifesting itself as the highest wisdom and the most radiant beauty... this knowledge, this feeling is at the center of true religiousness.

Do things sound better in your head before you say them, or do you even run them through there first?

The Constitution only guarantees the American people the right to pursue happiness. You have to catch it yourself. A table, a chair, a bowl of fruit and a violin; what else does a man need to be happy?

The state exists for man, not man for the state. The same may be said of science. These are old phrases, coined by people who saw in human individuality the highest human value. I would hesitate to repeat them, were it not for the ever recurring danger that they may be forgotten, especially in these days of organization and stereotypes.

All means prove but blunt instruments, if they have not behind them a living spirit.

The individual who has experienced solitude will not easily become a victim of mass suggestion.

Pure mathematics is, in its way, the poetry of logical ideas.