Quote #2227
Life being what it is, one dreams of revenge.
Quote #3733
There is nothing more practical than a good theory.
Quote #16772
Activity is the only road to knowledge.
Quote #1047
Common sense is instinct. Enough of it is genius.
Quote #8718
Nobody made a greater mistake than he who did nothing because he could only...
Quote #19619
If you believe in what you are doing, then let nothing hold you up...
Quote #26019
Everyone, whether cardinal or scientist, who believes that his own truth is complete and...
Quote #15902
The ultimate security is your understanding of reality.
Quote #7505
Who can protest and does not, is an accomplice in the act.
Quote #11139
A bird that you set free may be caught again, but a word that...