Know or listen to those who know.
If you can dream it, you can do it.
The secret of getting ahead is getting started.
The wise does at once what the fool does at last.
The most effective way to do it, is to do it.
If you're going through hell, keep going.
Who seeks shall find.
Never complain and never explain.
Expect problems and eat them for breakfast.
Begin to be now what you will be hereafter.
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.