If you're teaching today what you were teaching five years ago, either the field is dead or you are.
Dare to think for yourself.
Know what you are talking about.
My weapon is literature
If the facts don't fit the theory, change the facts.
The whole of science is nothing more than a refinement of everyday thinking.
Imagination is the source of every form of human achievement. And it's the one thing that I believe we are systematically jeopardizing in the way we educate our children and ourselves.
The fullness of knowledge only comes through the awareness of ignorance.
Better know nothing than half-know many things.
You can never be overdressed or overeducated.
Don't worry that children never listen to you; worry that they are always watching you.
I cannot teach anybody anything. I can only make them think
Education is an ornament for the prosperous, a refuge for the unfortunate.
The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.
I learned very early the difference between knowing the name of something and knowing something.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
Education is the most powerful weapon which you can use to change the world.
The more I read, the more I acquire, the more certain I am that I know nothing.
Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.