Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
A cynic is a man who knows the price of everything, and the value of nothing.
All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.
If I have seen further it is by standing on the shoulders of Giants.
If you can't explain it simply, you don't understand it well enough.
Books are as useful to a stupid person as a mirror is useful to a blind person.
All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
It is beyond a doubt that all our knowledge begins with experience.
We could never learn to be brave and patient, if there were only joy in the world
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.
Education is the ability to listen to almost anything without losing your temper or your self-confidence.
I learned very early the difference between knowing the name of something and knowing something.
The direction in which education starts a man will determine his future in life
Science is what we have learned about how to keep from fooling ourselves.
Knowing others is wisdom, knowing yourself is Enlightenment.
Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.
To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.
A child educated only at school is an uneducated child.
In mathematics you don't understand things. You just get used to them.
Make it a rule never to give a child a book you would not read yourself.