I think the first duty of society is justice.
In formal logic a contradiction is the signal of defeat but in the evolution of real knowledge it marks the first step in progress toward a victory.
Civilization advances by extending the number of important operations which...
No one who achieves success does so without acknowledging the help of others....
Religion is the last refuge of human savagery.
Nothing is so threatening to conventional values as a man who does not...
Ignorance more frequently begets confidence than does knowledge: it is...
No thief, however skillful, can rob one of knowledge, and that is why...
