Opinion is the medium between knowledge and ignorance.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
Reading is to the mind what exercise is to the body.
The secret of life is not enjoyment but education through experience.
If the facts don't fit the theory, change the facts.
Liberty without Learning is always in peril and Learning without Liberty is always in vain.
The real solution lies in a world in which charity will have become unnecessary.
Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.
I am indebted to my father for living, but to my teacher for living well.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
To educate a person in the mind but not in morals is to educate a menace to society.
Industrialize or perish.
Show me a family of readers, and I will show you the people who move the world.
A witty saying proves nothing.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
It is what you read when you don't have to that determines what you will be when you can't help it.
Learning never exhausts the mind.
The reading of all good books is like conversation with the finest men of past centuries.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
I don't look on poetry as closed works. I feel they're going on all the time in my head and I occasionally snip off a length.