The difference of great players is at a certain point in a match they raise their level of play and maintain it. Lesser players play great for a set, but then less.
Woe betide him, and her too, when it comes to things of consequence, when they are placed in circumstances requiring fortitude and strength of mind, if she have not resolution enough to resist idle interference ... It is the worst evil of too yielding and indecisive a character, that no influence over it can be depended on. You are never sure of a good impression being durable; everybody may sway it. Let those who would be happy be firm.