Never stand begging for what one has the power to earn.
Insanity is doing the same thing over and over again and expecting different results.
The past cannot be changed. The future is yet in your power.
I confess that in 1901 I said to my brother Orville that man would not fly for fifty years.
If you spend too much time thinking about a thing, you'll never get it done.
You're never as good as everyone tells you when you win, and you're never as bad as they say when you lose.
There is always room at the top.
You're off to Great Places! Today is your day! Your mountain is waiting, So... get on your way!
Life is entrusted to man as a treasure which must not be squandered, as a talent which must be used well.
Live as if you were to die tomorrow. Learn as if you were to live forever.
The one excellent thing that can be learned from a lion is that whatever a man intends doing should be done by him with a whole-hearted and strenuous effort.
I work hard, and I do good, and I'm going to enjoy myself. I'm not going to let you restrict me.
You lose nothing when fighting for a cause ... In my mind the losers are those who don't have a cause they care about.
If you paint in your mind a picture of bright and happy expectations, you put yourself into a condition conducive to your goal.
Faith is taking the first step even when you can't see the whole staircase.
It's the possibility of having a dream come true that makes life interesting.
Don't hit at all if it is honorably possible to avoid hitting; but never hit soft!
Do not go where the path may lead, go instead where there is no path and leave a trail.
You have to make the rules, not follow them.
After climbing a great hill, one only finds that there are many more hills to climb.
You'll never do a whole lot unless you're brave enough to try.