Every time you are tempted to react in the same old way, ask if you want to be a prisoner of the past or a pioneer of the future.
Experience without theory is blind, but theory without experience is mere intellectual play.
A scientific man ought to have no wishes, no affections, - a mere heart of stone.
As I grow older, I pay less attention to what men say. I just watch what they do.
In just six weeks from the time the design was started, we had the motor on the block testing its power.
Fashion changes, but style endures.
Be that self which one truly is.
An intense anticipation itself transforms possibility into reality; our desires being often but precursors of the things which we are capable of performing.
All tyranny needs to gain a foothold is for people of good conscience to remain silent.
In the intellectual order, the virtue of humility is nothing more nor less than the power of attention.
A toast, Jedediah, to love on my terms. Those are the only terms anybody ever knows - his own.
Ladies who play with fire must remember that smoke gets in their eyes.
Dream lofty dreams, and as you dream, so you shall become. Your vision is the promise of what you shall one day be; your ideal is the prophecy of what you shall at last unveil.
I am not interested in picking up crumbs of compassion thrown from the table of someone who considers himself my master. I want the full menu of rights.
There is only one difference between a madman and me. The madman thinks he is sane. I know I am mad.
Religion and art spring from the same root and are close kin. Economics and art are strangers.
Will and intellect are one and the same thing.
The speed of the leader is the speed of the gang.
You’ll miss the best things if you keep your eyes shut.
When we are no longer able to change a situation - we are challenged to change ourselves.
A friend doesn't go on a diet because you are fat.