The whole of science is nothing more than a refinement of everyday thinking.
You can never be overdressed or overeducated.
Don't worry that children never listen to you; worry that they are always watching you.
Dare to think for yourself.
Real knowledge is to know the extent of one's ignorance.
Knowing others is wisdom, knowing yourself is Enlightenment.
If you're teaching today what you were teaching five years ago, either the field is dead or you are.
A child miseducated is a child lost.
I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion
You can never learn less, you can only learn more.
I like poems you can tack all over with a hammer and there are no hollow places.
Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.
There is no authority who decides what is a good idea.
Patience is a virtue, and I'm learning patience. It's a tough lesson.
Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
Most people have never learned that one of the main aims in life is to enjoy it.
The direction in which education starts a man will determine his future in life
Opinion is the medium between knowledge and ignorance.
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.