William T. Tilden,
The Art of Lawn Tennis
“ I do not believe in a man who expects to go through a long tournament, going "all out" for every match. Conserve your strength and your finesse for the times you need them, and win your other matches decisively, but not destructively. Why should a great star discourage and dishearten a player several classes below him by crushing him, as he no doubt could? A few games a set, well earned, would be a big factor in encouraging that rising player to play in tournaments, while it would in no way injure the reputation of the star. ”
