Encourage kids to enjoy running and play in athletics. Don't force them to run too much competition. - Arthur Lydiard
If you want to be a successful runner, you have to consider everything. It's no good just thinking about endurance and not to develop fine speed. - Arthur Lydiard
Athletes need to enjoy their training. They don't enjoy going down to the track with a coach making them do repetitions until they're exhausted. From enjoyment comes the will to win. - Arthur Lydiard