You are under no obligation to be the same person you were 5 minutes ago
The best way to gain self-confidence is to do what you are afraid to do.
You will never always be motivated. You have to learn to be disciplined.
Success is what comes after you stop making excuses.
A problem is a chance for you to do your best.
Pain is temporary. Quitting lasts forever.
Do the best you can until you know better. Then when you know better, do better.