Any sufficiently advanced technology is indistinguishable from magic.
Education is the ability to listen to almost anything without losing your temper or your self-confidence.
If you can't explain it simply, you don't understand it well enough.
Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.
To educate a person in the mind but not in morals is to educate a menace to society.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
Don't worry that children never listen to you; worry that they are always watching you.
If you're teaching today what you were teaching five years ago, either the field is dead or you are.
The books that the world calls immoral are books that show the world its own shame.
What is now proved was once only imagined.
No power and no treasure can outweigh the extension of our knowledge.
Evil being the root of mystery, pain is the root of knowledge.
If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.
My weapon is literature
When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.
If you want the present to be different from the past, study the past.
Books are as useful to a stupid person as a mirror is useful to a blind person.
The progressive development of man is vitally dependent on invention.
You can never be overdressed or overeducated.
The reading of all good books is like conversation with the finest men of past centuries.
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