The books that the world calls immoral are books that show the world its own shame.
If one cannot enjoy reading a book over and over again, there is no use in reading it at all.
The man who does not read good books has no advantage over the man who can't read them.
I am so clever that sometimes I don't understand a single word of what I am saying.
The first principle is that you must not fool yourself and you are the easiest person to fool.
It is possible to fly without motors, but not without knowledge and skill.
Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.
It is beyond a doubt that all our knowledge begins with experience.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
Better know nothing than half-know many things.
All stable processes we shall predict. All unstable processes we shall control.
A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.
Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.
Civilization is a race between disaster and education.
Education is the most powerful weapon which you can use to change the world.
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.
Reading without reflecting is like eating without digesting.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
What we know is a drop, what we don't know is an ocean.
The highest activity a human being can attain is learning for understanding, because to understand is to be free.
I cannot teach anybody anything. I can only make them think