Quote #7149
To believe with certainty we must begin with doubting.
Quote #12338
Science … warns me to be careful how I adopt a view which jumps...
Quote #2669
Without an adequate theory, reality is irrelevant.
Quote #17912
Our business in this world is not to succeed, but to continue to fail...
Quote #24236
Only one who devotes himself to a cause with his whole strength and soul...
Quote #13552
One should respect public opinion insofar as is necessary to avoid starvation and keep...
Quote #3340
An institution which is populare because it combines the maximum of temptation with the...
Quote #23598
Courage is resistance to fear, mastery of fear-not absence of fear. Except a creature...
Quote #23673
It is salutary to train oneself to be no more affected by censure than...
Quote #23160
When you have completed 95 of your journey you are halfway there.