A cynic is a man who knows the price of everything, and the value of nothing.
Education is the best friend. An educated person is respected everywhere. Education beats the beauty and the youth.
If the facts don't fit the theory, change the facts.
Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.
Many much-learned men have no intelligence.
It is possible to fly without motors, but not without knowledge and skill.
It isn't what we don't know that gives us trouble, it's what we know that ain't so.
Educate the children and it won't be necessary to punish the men.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
Any sufficiently advanced technology is indistinguishable from magic.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
If one cannot enjoy reading a book over and over again, there is no use in reading it at all.
Knowing is not enough; we must apply. Willing is not enough; we must do.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
What is now proved was once only imagined.
No man's knowledge here can go beyond his experience.
All stable processes we shall predict. All unstable processes we shall control.
You can never be overdressed or overeducated.
The first idea the child must acquire is that of the difference between good and evil.
Seek knowledge from the cradle to the grave.
If you're teaching today what you were teaching five years ago, either the field is dead or you are.