Quote #1636
Fear is the main source of superstition, and one of the main sources of...
Quote #1267
There is no “royal road” to geometry.
Quote #16764
We don’t stop playing because we grow old we grow old because we stop...
Quote #8953
If I have lost confidence in myself, I have the universe against me.
Quote #33571
We all carry around so much pain in our hearts. Love and pain and...
Quote #4580
Never promise more than you can perform.
Quote #29902
There is no greater excitement than to support an intellectual wife and have her...
Quote #16455
Nobody ever went broke underestimating the taste of the American public.
Quote #19133
There are many paths to the top of the mountain, but only one view.
Quote #9165
Strength is just an accident arising from the weakness of others.