The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.

In order to change the world, you have to get your head together first

I hear and I forget. I see and I remember. I do and I understand.

Beer: The cause of, and solution to, all of life's problems.

Real knowledge is to know the extent of one's ignorance.

Thought can be so seductive and hypnotic that it absorbs your attention totally, so you become your thoughts.

Intelligence is a moral category.

I dream. Sometimes I think that's the only right thing to do.

The object of the superior man is truth.

A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.

If you only read the books that everyone else is reading, you can only think what everyone else is thinking.

I have had good experience and trial of this world...I know what it is to be a subject, what to be a sovereign, what to have good neighbours, and sometimes meet evil willers. I have found treason in trust, seen great benefits little regarded.

Why fit in when you were born to stand out?

One who deceives will always find those who allow themselves to be deceived.

As our case is new, we must think and act anew.

You can best serve civilization by being against what usually passes for it.

Don't criticize what you don't understand, son. You never walked in that man's shoes.

Don't expect to build up the weak by pulling down the strong.

Forget not that the earth delights to feel your bare feet and the winds long to play with your hair.

Nobody made a greater mistake than he who did nothing because he could do only a little.

He who conquers others is strong; he who conquers himself is mighty.