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.
There is only one corner of the universe you can be certain of improving, and that's your own self.
You lose nothing when fighting for a cause ... In my mind the losers are those who don't have a cause they care about.
Though the road's been rocky it sure feels good to me.
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.
It marks a big step in your development when you come to realize that other people can help you do a better job than you could do alone.
Courage isn't having the strength to go on - it is going on when you don't have strength.
I not only use all the brains that I have, but all that I can borrow.
Whatever the mind of man can conceive and believe, it can achieve.
Freedom from the desire for an answer is essential to the understanding of a problem.
Change the way you look at things and the things you look at change.
First ask yourself: What is the worst that can happen? Then prepare to accept it. Then proceed to improve on the worst.
Do not be afraid. Do not be satisfied with mediocrity. Put out into the deep and let down your nets for a catch.
Never let the future disturb you. You will meet it, if you have to, with the same weapons of reason which today arm you against the present.
Without ambition one starts nothing. Without work one finishes nothing. The prize will not be sent to you. You have to win it.
What does not destroy me, makes me strong.
My dear friend, clear your mind of cant.
Always do what you are afraid to do.
Aim for the highest.
All the darkness in the world cannot extinguish the light of a single candle.
I have always found that mercy bears richer fruits than strict justice.