Philosophy asks the simple question: What is it all about?
One main factor in the upward trend of animal life has been the power of wandering.
Religion is what the individual does with his own solitariness.
Everything of importance has been seen by someone who did not discover it.
A clash of doctrines is not a disaster – it is an opportunity.
Seek simplicity but distrust it.
Every really new idea looks crazy at first.
Education with inert ideas is not only useless, it is above all things harmful.
Periods of tranquility are seldom prolific of creative achievement. Mankind has to be stirred up.
It requires a very unusual mind to make an analysis of the obvious.
Art flourishes when there is a sense of adventure.
The art of progress is to preserve order amid change and to preserve change amid order.
The silly question is the first intimation of some totally new development.
True courage is not the brutal force of vulgar heroes, but the firm resolve of virtue and reason.
Knowledge keeps no better than fish.