If the facts don't fit the theory, change the facts.
If there were no bad people, there would be no good lawyers.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
If you're teaching today what you were teaching five years ago, either the field is dead or you are.
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.
The reading of all good books is like conversation with the finest men of past centuries.
Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.
The great difficulty in education is to get experience out of ideas.
Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.
Education is a system of imposed ignorance.
I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.
Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.
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.
I am so clever that sometimes I don't understand a single word of what I am saying.
Many much-learned men have no intelligence.
Investigate, educate and organize.
Learning never exhausts the mind.
I don't look on poetry as closed works. I feel they're going on all the time in my head and I occasionally snip off a length.
If one cannot enjoy reading a book over and over again, there is no use in reading it at all.
The books that the world calls immoral are books that show the world its own shame.
Science is not only a disciple of reason but, also, one of romance and passion.