Knowing is not enough; we must apply. Willing is not enough; we must do.
A child educated only at school is an uneducated child.
If help and salvation are to come, they can only come from the children, for the children are the makers of men.
Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.
Reading without reflecting is like eating without digesting.
We could never learn to be brave and patient, if there were only joy in the world
The books that the world calls immoral are books that show the world its own shame.
Dare to think for yourself.
Intelligence plus character-that is the goal of true education.
I am so clever that sometimes I don't understand a single word of what I am saying.
The progressive development of man is vitally dependent on invention.
My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.
All stable processes we shall predict. All unstable processes we shall control.
I am indebted to my father for living, but to my teacher for living well.
Liberty without Learning is always in peril and Learning without Liberty is always in vain.
If you're teaching today what you were teaching five years ago, either the field is dead or you are.
There is no authority who decides what is a good idea.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
Science is what we have learned about how to keep from fooling ourselves.
To every action there is always an equal and opposite or contrary, reaction
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.