If I were a young coach today, I would be extremely careful in selecting assistants.
Don't let making a living prevent you from making a life.
Push yourself to keep improving or you'll stay as close to the bottom as you are to the top
Don't think that you can make up for it by working twice as hard tomorrow. If you have it within your power to work twice as hard, why aren't you doing it now?
First, do not betray yourself. Second, do not betray those you lead.
Selfishness is the greatest challenge for a coach. Most players are more concerned with making themselves better than the team.