Things do not happen. Things are made to happen.
Always desire to learn something useful.
It's always too early to quit.
The most effective way to do it, is to do it.
If you've got a talent, protect it.
Be thine own palace, or the world's thy jail.
You never know what motivates you.
Leap, and the net will appear.
Quality is not an act, it is a habit.
If you think you can do it, you can.
I believe you'll develop speed via strength work which includes hill running, either repeats, or running hilly courses as the Kenyans do on a steady basis.