It's always too early to quit.
Be thine own palace, or the world's thy jail.
After a storm comes a calm.
What you do today can improve all your tomorrows.
To be a good loser is to learn how to win.
The most effective way to do it, is to do it.
If you're going through hell, keep going.
You never know what motivates you.
Problems are not stop signs, they are guidelines.
Expect problems and eat them for breakfast.
The only difference is that religion is much better organised and has been around much longer, but it's the same story with different characters and different costumes.