The really valuable thing in the pageant of human life seems to me not the political state, but the creative, sentient individual, the personality; it alone creates the noble and the sublime, while the herd as such remains dull in thought and dull in feeling.

Don't dream of being a good person, be a human being is valuable and gives value to life.

Marvellous, what ideas the young people have these days. But I don't believe a word of it.

The only justifiable purpose of political institutions is to ensure the unhindered development of the individual.

Don't listen to the person who has the answers; listen to the person who has the questions.

A happy man is too satisfied with the present to dwell too much on the future.

Gradually the conviction gained recognition that all knowledge about things is exclusively a working-over of the raw material furnished by the senses. ... Galileo and Hume first upheld this principle with full clarity and decisiveness.