Selfishness is the greatest challenge for a coach. Most players are more concerned with making themselves better than the team.
John WoodenIt is difficult for young players to learn - because of the great emphasis on records - but, ideally, the joy and frustration of sport should come from the performance itself, not the score. While he is playing, the worst thing a player can think about in terms of concentration - and therefore of success - is losing. The next worst is winning.
John Wooden