Without freedom of thought, there can be no such thing as wisdom - and no such thing as public liberty without freedom of speech.
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.
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.
Opportunity is missed by most people because it is dressed in overalls and looks like work.
Genius is one per cent inspiration, ninety-nine per cent perspiration.
Prejudice is a burden that confuses the past, threatens the future and renders the present inaccessible.