Never doubt that a small group of thoughtful committed citizens can change the world indeed it's the only thing that ever has.
As the biggest library if it is in disorder is not as useful as a small but well-arranged one so you may accumulate a vast amount of knowledge but it will be of far less value than a much smaller amount if you have not thought it over for yourself.
It is only a man's own fundamental thoughts that have truth and life in them....
The discovery of truth is prevented more effectively not by the false...
All truth passes through three stages. First it is ridiculed. Second it is...
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...
