I am always doing that which I can not do, in order that I may learn how to do it.
No matter what people tell you, words and ideas can change the world.
Courage is the most important of all the virtues, because without courage you can't practice any other virtue consistently. You can practice any virtue erratically, but nothing consistently without courage.
Only those are fit to live who do not fear to die; and none are fit to die who have shrunk from the joy of life and the duty of life. Both life and death are parts of the same Great Adventure.
A hero is no braver than an ordinary man, but he is brave five minutes longer.
How long should you try? Until.
The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.
We are what we repeatedly do. Excellence, then, is not an act, but a habit.
Strength of mind rests in sobriety; for this keeps your reason unclouded by passion.
In essence, if we want to direct our lives, we must take control of our consistent actions. It's not what we do once in a while that shapes our lives, but what we do consistently.
Nothing great was ever achieved without enthusiasm.
A man can't soar too high, when he flies with his own wings.
Without ambition one starts nothing. Without work one finishes nothing. The prize will not be sent to you. You have to win it.
Focus on where you want to go, not on what you fear.
They say Rome wasn't built in a day, but I wasn't on that particular job.
March on. Do not tarry. To go forward is to move toward perfection. March on, and fear not the thorns, or the sharp stones on life's path.
Doing what you love is the cornerstone of having abundance in your life.
You have brains in your head. You have feet in your shoes. You can steer yourself any direction you choose.
United we stand; divided we fall.
Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.
Self-confidence is the first requisite to great undertakings.