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

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

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

Human behavior flows from three main sources: desire, emotion, and knowledge

It isn't what we don't know that gives us trouble, it's what we know that ain't so.

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

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

Never help a child with a task at which he feels he can succeed.

Necessity is the mother of invention.

If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.

As we acquire more knowledge, things do not become more comprehensible but more mysterious.

All stable processes we shall predict. All unstable processes we shall control.

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

Education is a system of imposed ignorance.

No power and no treasure can outweigh the extension of our knowledge.

Make it a rule never to give a child a book you would not read yourself.

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

When you know better you do better.

Books are for people who wish they were somewhere else.

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

Real learning comes about when the competitive spirit has ceased.