Believe you are defeated, believe it long enough, and it is likely to become a fact.
The more you lose yourself in something bigger than yourself, the more energy you will have.
Enthusiasm releases the drive to carry you over obstacles and adds significance to all you do.
Any fact facing us is not as important as our attitude toward it, for that determines our success or failure.
The trouble with most of us is that we would rather be ruined by praise than saved by criticism.
Every problem has in it the seeds of its own solution. If you don't have any problems, you don't get any seeds.
We've all heard that we have to learn from our mistakes, but I think it's more important to learn from successes. If you learn only from your mistakes, you are inclined to learn only errors.