A little knowledge is a dangerous thing. So is a lot.
Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.
I cannot teach anybody anything. I can only make them think
When you know better you do better.
The ability to observe without evaluating is the highest form of intelligence.
When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.
It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.
The fullness of knowledge only comes through the awareness of ignorance.
A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.
Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
Never help a child with a task at which he feels he can succeed.
Better know nothing than half-know many things.
Know what you are talking about.
One test of the correctness of educational procedure is the happiness of the child.
It is what you read when you don't have to that determines what you will be when you can't help it.
I think that kids have a greater capacity for processing things than we give them credit for.
There is no authority who decides what is a good idea.
Courage, conviction and confidence.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.