It is no small art to sleep: for that purpose you must keep awake all day.
Time and space are modes by which we think and not conditions in which we live.
Anything that gives us new knowledge gives us an opportunity to be more rational.
What could an entirely rational being speak of with another entirely rational being?
The cooperative structure never encourages huge bureaucratic systems, for it knows that mammoth bureaucracies cannot be sensitive to the needs of people.
I would rather have questions that can’t be answered than answers which can’t be questioned.
You cannot conquer a free man. The most you can do is kill him.
Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.
During times of universal deceit, telling the truth becomes a revolutionary act.
Education is the kindling of a flame, not the filling of a vessel.