In terms of instilling the values of mental toughness and work ethic, discipline is the gift that keeps on giving.
“I remember Agassi playing Federer in Basel, Switzerland in 1998, and Andre was already saying at that time that Federer would be tough. Usually at the time players are 17, you can see if they will be great.”
“The finishing off of the encircled enemy army is to be left to the Luftwaffe.”