Wherever you are - be all there.
If you're going through hell, keep going.
The secret of getting ahead is getting started.
Always desire to learn something useful.
Either you run the day or the day runs you.
Be gentle to all and stern with yourself.
Things do not happen. Things are made to happen.
If you think you can do it, you can.
What you do today can improve all your tomorrows.
It's always too early to quit.
Famous remarks are very seldom quoted correctly.