Being a role model is the most powerful form of educating
Make friendship a fine art.
Failure is not fatal, but failure to change might be.
The close games are usually lost, rather than won. What I mean by that is games are mostly won because of the opponent making mistakes during crucial moments.
Consider the rights of others before your own feelings, and the feelings of others before your own rights.
With the experience to judge, one need not pre-judge.