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.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
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.
Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.
Imagination is more important than knowledge...
It is the supreme art of the teacher to awaken joy in creative expression and knowledge.