It's always too early to quit.
I can, therefore I am.
The wise does at once what the fool does at last.
If you're going through hell, keep going.
Without hard work, nothing grows but weeds.
To be a good loser is to learn how to win.
What you do today can improve all your tomorrows.
Wherever you are - be all there.
By failing to prepare, you are preparing to fail.
Well done is better than well said.
To make our way, we must have firm resolve, persistence, tenacity. We must gear ourselves to work hard all the way. We can never let up.