The secret of life is not enjoyment but education through experience.

My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.

The most savage controversies are those about matters as to which there is no good evidence either way.

Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

Those who fail to learn the lessons of history are doomed to repeat them.

Knowing others is wisdom, knowing yourself is Enlightenment.

An investment in knowledge pays the best interest.

The fullness of knowledge only comes through the awareness of ignorance.

Knowledge becomes evil if the aim be not virtuous.

I am indebted to my father for living, but to my teacher for living well.

Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.

Education is the kindling of a flame, not the filling of a vessel.

A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.

Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.

The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.

Study without desire spoils the memory, and it retains nothing that it takes in.

What is now proved was once only imagined.

I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion

There is nothing more awful, insulting, and depressing than banality.

All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.

It is possible to fly without motors, but not without knowledge and skill.