Our lives are not determined by what happens to us but how we react to what happens not by what life brings us but the attitude we bring to life.
I think it will be found that experience the true source and foundation of all knowledge invariably confirms its truth.
The superior power of population cannot be checked without producing misery...
I do not know that any writer has supposed that on this earth man will...
In a state therefore of great equality and virtue where pure and simple...
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...
