They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

The books that the world calls immoral are books that show the world its own shame.

It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.

Evil being the root of mystery, pain is the root of knowledge.

The real solution lies in a world in which charity will have become unnecessary.

Science is a way of thinking much more than it is a body of knowledge.

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

The task of a writer is not to solve the problem but to state the problem correctly.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

Don't learn to do, but learn in doing.

Knowing is not enough; we must apply. Willing is not enough; we must do.

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

You can never be overdressed or overeducated.

What sculpture is to a block of marble, education is to a human soul.

Knowledge, Action, Devotion are complementary to each other.

The more I read, the more I acquire, the more certain I am that I know nothing.

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

You can never learn less, you can only learn more.

Just when I thought there wasn't room enough for another thought in my head, I had this great idea.

If you want the present to be different from the past, study the past.