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.
Everything you are against weakens you. Everything you are for empowers you.
Difficulties are meant to rouse, not discourage. The human spirit is to grow strong by conflict.
— William Ellery Channing
Prejudice is a burden that confuses the past, threatens the future and renders the present inaccessible.