If you find yourself in a fair fight, you should reexamine your tactics.
If people are not laughing at you’re goal, then you’re goals are too small.
Ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.
He who opens a school door, closes a prison.
Freedom is the right to tell people what they do not want to hear.
That rifle on the wall of the labourer’s cottage or working class flat is the symbol of democracy. It is our job to see that it stays there.
All real philosophers have been artists in the realm of concepts.
Nothing that is worth knowing can be taught.
Time and space are modes by which we think and not conditions in which we live.
It is the mark of an educated mind, to entertain a thought without accepting it.