We do not consider our principles as dogmas contained in books said to come from heaven. We derive our inspiration, not from heaven, or the unseen world, but directly from life.
Others have seen what is and asked why. I have seen what could be and asked why not.
When I was in college, I wanted to be involved in things that would change the world.
This is one small step for a man, one giant leap for mankind.
The unexamined life is not worth living.
We are citizens of the world. The tragedy of our times is that we do not know this.
Do not pray for easy lives. Pray to be stronger men.
Live as if you were to die tomorrow. Learn as if you were to live forever.
Become a possibilitarian. No matter how dark things seem to be or actually are, raise your sights and see possibilities -- always see them, for they're always there.
Whether you think you can, or you think you can't - you're right.
They alone live, who live for others.
Be happy, but never satisfied.
Find out who you are. And do it on purpose.
Life isn't about finding yourself. Life is about creating yourself.
Faith is taking the first step even when you can't see the whole staircase.
Self-confidence is the first requisite to great undertakings.
Stop acting so small. You are the universe in ecstatic motion.
Determine never to be idle. No person will have occasion to complain of the want of time, who never loses any. It is wonderful how much may be done, if we are always doing.
I can never stand still. I must explore and experiment. I am never satisfied with my work. I resent the limitations of my own imagination.
A superior man is modest in his speech, but exceeds in his actions.
People don't realize how a man's whole life can be changed by one book.
