The secret of getting ahead is getting started.
I can, therefore I am.
Be thine own palace, or the world's thy jail.
If you think you can do it, you can.
Either you run the day or the day runs you.
Never complain and never explain.
Well done is better than well said.
To be a good loser is to learn how to win.
What you do today can improve all your tomorrows.
Without hard work, nothing grows but weeds.
The frontiers of knowledge in the various fields of our subject are expanding at such a rate that, work as hard as one can, one finds oneself further and further away from an understanding of the whole.