To educate a person in the mind but not in morals is to educate a menace to society.
Necessity is the mother of invention.
He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.
Liberty without Learning is always in peril and Learning without Liberty is always in vain.
There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.
Science is not only a disciple of reason but, also, one of romance and passion.
Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.
I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.
Don't worry that children never listen to you; worry that they are always watching you.
The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.
Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.
Seek knowledge from the cradle to the grave.
They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.
The books that the world calls immoral are books that show the world its own shame.
What sculpture is to a block of marble, education is to a human soul.
What is now proved was once only imagined.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.
Industrialize or perish.
Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.
My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.