What is it that distinguishes man from animals? It is not his upright posture.

Man's main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality.

Human history began as an act of disobedience, and it is not unlikely that it will be terminated by an act of obedience. At this point in history the capacity to doubt, to criticize and to disobey may be all that stands between a future for mankind and the end of civilization.

Equality today means ‘sameness’, rather than ‘oneness’.

Man is the only animal for whom his own existence is a problem which he has to solve.

Education is helping the child realise his potentialities.

The ordinary man with extraordinary power is the chief danger for mankind - not the fiend or the sadist.