Be gentle to all and stern with yourself.
It's always too early to quit.
Be thine own palace, or the world's thy jail.
Know or listen to those who know.
Well done is better than well said.
I can, therefore I am.
You never know what motivates you.
Go for it now. The future is promised to no one.
The secret of getting ahead is getting started.
Either you run the day or the day runs you.
I think it's more important to be fit so that you can be healthy and enjoy activities than it is to have a good body.