When you make a mistake, don't look back at it long. Take the reason of the thing into your mind, and then look forward. Mistakes are lessons of wisdom. The past cannot be changed. The future is yet in your power.
Author: Phyllis Bottome
Obstacles don't have to stop you. If you run into a wall, don't turn around and give up. Figure out how to climb it, go through it, or work around it.
Author: Michael Jordan
"One has to remember that every failure can be a stepping stone to something better."
"Even if you are on the right track, you'll get run over if you just sit there."