It's always too early to quit.
A man's work is nothing but this slow trek to rediscover, through the detours of art, those two or three great and simple images in whose presence his heart first opened.
Once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, and there you will always long to return.
I not only use all the brains that I have, but all that I can borrow.
A lot of legends, a lot of people, have come before me. But this is my time.
Our greatest glory is not in never falling but in rising every time we fall.
Wanting to be someone else is a waste of who you are
A man can't soar too high, when he flies with his own wings.
Do not pray for easy lives. Pray to be stronger men.
Others have seen what is and asked why. I have seen what could be and asked why not.
When I give, I give myself.
Great things are not done by impulse, but by a series of small things brought together.
Only when I fall do I get up again.
Climbing to the top demands strength, whether it is to the top of Mount Everest or to the top of your career.
The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.
If we ever forget that we're one nation under God, then we will be one nation gone under.
When you believe in a thing, believe in it all the way, implicitly and unquestionably.
I want to know what passion is. I want to feel something strongly.
Make the most of yourself....for that is all there is of you.
Insanity is doing the same thing over and over again and expecting different results.
Life is entrusted to man as a treasure which must not be squandered, as a talent which must be used well.