Either you run the day or the day runs you.
Problems are not stop signs, they are guidelines.
Be thine own palace, or the world's thy jail.
Things do not happen. Things are made to happen.
Wherever you are - be all there.
To be a good loser is to learn how to win.
The secret of getting ahead is getting started.
Leap, and the net will appear.
Without hard work, nothing grows but weeds.
The most effective way to do it, is to do it.
One of the things that ultimately led me to leave mathematics and go into political science was thinking I could prevent nuclear war.