Either you run the day or the day runs you.
Be thine own palace, or the world's thy jail.
It's always too early to quit.
Problems are not stop signs, they are guidelines.
Well done is better than well said.
Leap, and the net will appear.
Always desire to learn something useful.
Be kind whenever possible. It is always possible.
Wherever you are - be all there.
The secret of getting ahead is getting started.
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.