The only true wisdom is in knowing you know nothing.

The more I see, the less I know for sure.

Conquering others takes force, conquering yourself is true strength.

There are two things a person should never be angry at, what they can help, and what they cannot.

There is no friend as loyal as a book.

If you tell the truth, you don't have to remember anything.

When people talk, listen completely. Don't be thinking what you're going to say. Most people never listen.

You can't get away from yourself by moving from one place to another.

We may have all come on different ships, but we’re in the same boat now.