Be thine own palace, or the world's thy jail.
It's always too early to quit.
Wherever you are - be all there.
Go for it now. The future is promised to no one.
What you do today can improve all your tomorrows.
Only the educated are free.
To be a good loser is to learn how to win.
Expect problems and eat them for breakfast.
Be gentle to all and stern with yourself.
Well done is better than well said.
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.