Belief systems provide a programme which relieves the necessity of thought.
Most of the greatest evils that man has inflicted upon man have come through people feeling quite certain about something which, in fact, was false.
The demand for certainty is one which is natural to man, but is nevertheless an intellectual vice.
No one gossips about other people's secret virtues.
To realize the unimportance of time is the gate to wisdom.
Either man will abolish war, or war will abolish man.