If you've got a talent, protect it.
Be kind whenever possible. It is always possible.
Begin to be now what you will be hereafter.
It's always too early to quit.
You never know what motivates you.
The wise does at once what the fool does at last.
To be a good loser is to learn how to win.
Be thine own palace, or the world's thy jail.
Quality is not an act, it is a habit.
Problems are not stop signs, they are guidelines.
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.