Freedom is the right to live as we wish.
Without freedom of thought, there can be no such thing as wisdom - and no such thing as public liberty without freedom of speech.
The amount of happiness that you have depends on the amount of freedom you have in your heart.
In the end we retain from our studies only that which we practically apply.
— Johann Wolfgang von Goethe
Ethical axioms are found and tested not very differently from the axioms of science. Truth is what stands the test of experience.
I never teach my pupils. I only attempt to provide the conditions in which they can learn.
It is a miracle that curiosity survives formal education.
Laws alone can not secure freedom of expression; in order that every man present his views without penalty there must be spirit of tolerance in the entire population.
Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.