Science is the great antidote to the poison of enthusiasm and superstition.
Knowledge conquered by labor becomes a possession - a property entirely our own.
Wisdom and understanding can only become the possession of individual men by...
The battle of life is in most cases fought uphill and to win it without a...
I'm as happy a man as any in the world for the whole world seems to smile...
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...
