The only way of finding the limits of the possible is by going beyond them into the impossible.
When every physical and mental resource is focused, one's power to solve a problem multiplies tremendously.
You need a little bit of insanity to do great things.
Life is 10 percent what happens to you and ninety percent how you respond to it.
We are all in the gutter, but some of us are looking at the stars.
Perseverance is failing 19 times and succeeding the 20th.
Let yourself be silently drawn by the stronger pull of what you really love.
Imagination will often carry us to worlds that never were, but without it we go nowhere.
Don't fear failure. Not failure, but low aim, is the crime. In great attempts it is glorious even to fail.
Never look back unless you are planning to go that way.
I'd rather be hated for who I am, than loved for who I am not.
In a conflict between the heart and the brain, follow your heart.
I confess that in 1901 I said to my brother Orville that man would not fly for fifty years.
Differences are not intended to separate, to alienate. We are different precisely in order to realize our need of one another.
No one is free who has not obtained the empire of himself. No man is free who cannot command himself.
Out of your vulnerabilities will come your strength.
I will take fate by the throat; it will never bend me completely to its will.
To attain the impossible, one must attempt the absurd.
We're lost, but we're making good time
People who say it cannot be done should not interrupt those who are doing it.
My optimism wears heavy boots and is loud.