Quote #5505
Persuasion is often more effectual than force.
Quote #2555
I submit to you that if a man hasn’t discovered something he will die...
Quote #3492
Each success only buys an admission ticket to a more difficult problem.
Quote #17710
The philosophers of the Middle Ages demonstrated both that the Earth did not exist...
Quote #5475
Gratitude is the sign of noble souls.
Quote #21616
It is found by experience that admirable laws and right precedents among the good...
Quote #4389
If youth but had the knowledge and old age the strength.
Quote #5141
I was working on the proof of one of my poems all the morning,...
Quote #1321
The aim of argument, or of discussion, should not be victory, but progress.
Quote #18170
Progress is not created by contented people.