The secret of health for both mind and body is not to mourn for the past, nor to worry about the future, but to live the present moment wisely and earnestly.
Human dignity consists in the role we must play in our own perfection. Taking a role in our own self-completion is the highest expression of our creativity.
A thing worth having is a thing worth cheating for.
You lose nothing when fighting for a cause ... In my mind the losers are those who don't have a cause they care about.
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.
We could all take a lesson from crayons: some are sharp, some are beautiful, some have weird names, and all are different colors, but they still learn to live in the same box...
Some people don't like change, but you need to embrace change if the alternative is disaster.
We all have possibilities we don't know about. We can do things we don't even dream we can do.
Live as if you were to die tomorrow. Learn as if you were to live forever.
I would prefer even to fail with honor than win by cheating.
We are what our thoughts have made us; so take care about what you think. Words are secondary. Thoughts live; they travel far.
I can never stand still. I must explore and experiment. I am never satisfied with my work. I resent the limitations of my own imagination.
We are all in the gutter, but some of us are looking at the stars.
People throw stones at you and you convert them into milestones.
First ask yourself: What is the worst that can happen? Then prepare to accept it. Then proceed to improve on the worst.
Change your thoughts and you change your world.
To see me does not necessarily mean to see my face. To understand my thoughts is to have seen me.
It's kind of fun to do the impossible.
The man with no imagination has no wings.
Don't find fault, find a remedy; anybody can complain
Ability is what you're capable of doing. Motivation determines what you do. Attitude determines how well you do it.