If you can dream it, you can do it.
By failing to prepare, you are preparing to fail.
It's always too early to quit.
The secret of getting ahead is getting started.
Go for it now. The future is promised to no one.
Well done is better than well said.
To know oneself, one should assert oneself.
What you do today can improve all your tomorrows.
Be thine own palace, or the world's thy jail.
Always desire to learn something useful.
I'm not a huge fan of improv theater or improv sports or whatever, because it still just looks like a tool. It looks like a technique to me.