All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

Don't criticize what you can't understand.

It is tact that is golden, not silence.

Desire is the very essence of man.

Courage is resistance to fear, mastery of fear - not absence of fear.

The more skilled you are at something, the worse you are at it when showing someone.

Language is very powerful. Language does not just describe reality. Language creates the reality it describes.

One never notices what has been done; one can only see what remains to be done.

Tomorrow hopes we have learned something from yesterday.

Empty pockets never held anyone back. Only empty heads and empty hearts can do that.

Property is surely a right of mankind as real as liberty.

Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.

He who chooses the beginning of the road chooses the place it leads to.

If you would take, you must first give, this is the beginning of intelligence.

What a man does for others, not what they do for him, gives him immortality.

The most courageous act is still to think for yourself. Aloud.

One who gains strength by overcoming obstacles possesses the only strength which can overcome adversity.

I write with experiences in mind, but I don't write about them, I write out of them.

Good advice is always certain to be ignored, but that's no reason not to give it.

All great achievements require time.

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