Courage is not simply one of the virtues, but the form of every virtue at the testing point.
Prayer does not change God, but it changes him who prays.
The world is moving so fast these days that the man who says it can't be done is generally interrupted by someone doing it.
Our greatest foes - and whom we must chiefly combat - are within.
Quote me as saying I was mis-quoted.
The future ain't what it used to be.
He alone, who owns the youth, gains the future.
There is only one difference between a madman and me. The madman thinks he is sane. I know I am mad.
Laziness never arrived at the attainment of a good wish.
The joke of our time is the suicide of intention.
New opinions are always suspected, and usually opposed, without any other reason but because they are not common.
The people who are doing the work are the moving force behind the Macintosh. My job is to create a space for them, to clear out the rest of the organization and keep it at bay.
Everyone is born a genius, but the process of living de-geniuses them.
Being powerful is like being a lady. If you have to tell people you are, you aren't.
It is a process of diverting one's scattered forces into one powerful channel.
An intellectual is a man who doesn't know how to park a bike.
He who surpasses or subdues mankind must look down on the hate of those below.
I must not write a word to you about politics, because you are a woman.
There is nothing more miserable in the world than to arrive in paradise and look like your passport photo.
Thought is free.
Work is the rent you pay for the room you occupy on earth.