Life responds to deserve and not to need.
Remind yourself that you're bound to get better. Don't get down on yourself. Don't beat yourself up. It's the next opportunity that matters, not the last one.
The bigger the 'why' the easier the 'how'.
It can be dangerous to weaken the strong in our attempts to strengthen the weak.
Discipline is the foundation upon which all success is built. Lack of discipline inevitably leads to failure.
What you become is far more important that what you get. What you get will be influenced by what you become.