This is one small step for a man, one giant leap for mankind.
Great things are not done by impulse, but by a series of small things brought together.
If you can't fly then run, if you can't run then walk, if you can't walk then crawl, but whatever you do you have to keep moving forward.
The number one problem that keeps people from winning in the United States today is lack of belief in themselves.
The deeds you do may be the only sermon some persons will hear today.
Weakness of attitude becomes weakness of character.
Alone we can do so little; together we can do so much.
The more you lose yourself in something bigger than yourself, the more energy you will have.
You can't build a reputation on what you are going to do.
Life is entrusted to man as a treasure which must not be squandered, as a talent which must be used well.
Do what you can, with what you have, where you are.
I'm sorry I wrote you such a long letter; I didn't have time to write a short one.
To succeed in your mission, you must have single-minded devotion to your goal.
If you don't like the road you're walking, start paving another one.
Happiness depends more on the inward disposition of mind than on outward circumstances.
Do not look for approval except for the consciousness of doing your best.
Out of suffering have emerged the strongest souls; the most massive characters are seared with scars.
Stop acting so small. You are the universe in ecstatic motion.
Be yourself, let you come through.
The man with no imagination has no wings.
The first rule is to keep an untroubled spirit. The second is to look things in the face and know them for what they are.