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

I learned very early the difference between knowing the name of something and knowing something.

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

If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.

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

With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.

Investigate, educate and organize the country must progress, productive works and industries are the main avenues at present next to education for the advancement of the country

The only true wisdom is in knowing you know nothing.

Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.

In mathematics you don't understand things. You just get used to them.

It is better to know how to learn than to know.

What is now proved was once only imagined.

Show me a family of readers, and I will show you the people who move the world.

Any sufficiently advanced technology is indistinguishable from magic.

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

The progressive development of man is vitally dependent on invention.

No man's knowledge here can go beyond his experience.

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

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

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.

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