Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.

If there were no bad people, there would be no good lawyers.

Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.

The more I read, the more I acquire, the more certain I am that I know nothing.

I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.

I am indebted to my father for living, but to my teacher for living well.

If I have seen further it is by standing on the shoulders of Giants.

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

Most people have never learned that one of the main aims in life is to enjoy it.

Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.

Seek knowledge from the cradle to the grave.

I am a part of everything that I have read.

We could never learn to be brave and patient, if there were only joy in the world

No power and no treasure can outweigh the extension of our knowledge.

If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.

Education is an ornament for the prosperous, a refuge for the unfortunate.

The books that the world calls immoral are books that show the world its own shame.

The schools ain't what they used to be and never was.

Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

Common sense is the collection of prejudices acquired by age eighteen.