I work hard, and I do good, and I'm going to enjoy myself. I'm not going to let you restrict me.
Give yourself something to work toward - constantly.
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.
Too much sanity may be madness - and the maddest of all is to see life as it is and not as it should be.
There are no traffic jams on the extra mile.
Others have seen what is and asked why. I have seen what could be and asked why not.
I confess that in 1901 I said to my brother Orville that man would not fly for fifty years.
When I'm good, I'm very good, but when I'm bad, I'm better.
Courage isn't having the strength to go on - it is going on when you don't have strength.
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.
In a day, when you don't come across any problems - you can be sure that you are travelling in a wrong path.
If you want creative workers, give them enough time to play.
Your success and happiness lies in you. Resolve to keep happy, and your joy and you shall form an invincible host against difficulties.
With realization of one's own potential and self-confidence in one's ability, one can build a better world.
There is no passion to be found playing small - in settling for a life that is less than the one you are capable of living.
Life is entrusted to man as a treasure which must not be squandered, as a talent which must be used well.
We are citizens of the world. The tragedy of our times is that we do not know this.
The real man smiles in trouble, gathers strength from distress, and grows brave by reflection.
Anything that makes weak - physically, intellectually and spiritually, reject it as poison.
It's all to do with the training: you can do a lot if you're properly trained.
Do not be afraid. Do not be satisfied with mediocrity. Put out into the deep and let down your nets for a catch.