The highest activity a human being can attain is learning for understanding, because to understand is to be free.
There is nothing more awful, insulting, and depressing than banality.
What sculpture is to a block of marble, education is to a human soul.
With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.
An investment in knowledge pays the best interest.
Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.
Science is a way of thinking much more than it is a body of knowledge.
The ability to observe without evaluating is the highest form of intelligence.
I think that kids have a greater capacity for processing things than we give them credit for.
Don't worry that children never listen to you; worry that they are always watching you.
If you're teaching today what you were teaching five years ago, either the field is dead or you are.
Know what you are talking about.
I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.
I have no special talents. I am only passionately curious.
Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.
All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.
Knowledge becomes evil if the aim be not virtuous.
The most savage controversies are those about matters as to which there is no good evidence either way.
Just because I don't care doesn't mean I don't understand.
Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.
Real knowledge is to know the extent of one's ignorance.