Quote #21629
To imagine is everything, to know is nothing at all.
Quote #13024
Nature and Books belong to the eyes that see them.
Quote #7012
Our thoughts are free.
Quote #5572
Be not afraid of growing slowly, be afraid only of standing still.
Quote #26207
If scientific reasoning were limited to the logical processes of arithmetic, we should not...
Quote #29633
An act of love that fails is just as much a part of the...
Quote #20626
What is objectionable, what is dangerous, about extremists is not that they are extreme,...
Quote #15900
Every scientific fulfillment raises new questions; it asks to be surpassed and outdated.
Quote #7781
Be great in act, as you have been in thought.
Quote #3598
A fact is a simple statement that everyone believes. It is innocent, unless found...