The more I read, the more I acquire, the more certain I am that I know nothing.
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.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
Many much-learned men have no intelligence.
The great difficulty in education is to get experience out of ideas.
To every action there is always an equal and opposite or contrary, reaction
Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.
Intelligence plus character-that is the goal of true education.
In order to stave off covetouness, greed, and spite, citizens world over must be educated.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
The ability to observe without evaluating is the highest form of intelligence.
Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
Opinion is the medium between knowledge and ignorance.
He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.
The highest activity a human being can attain is learning for understanding, because to understand is to be free.
Don't learn to do, but learn in doing.
Science is not only a disciple of reason but, also, one of romance and passion.
You can never be overdressed or overeducated.
Those who fail to learn the lessons of history are doomed to repeat them.
The only true wisdom is in knowing you know nothing.
What is now proved was once only imagined.