The first great chess players, including the world champion, got by perfectly well without constant coaches.
Anatoly KarpovAn amusing fact: as far as I can recall, when playing the Ruy Lopez I have not yet once in my life had to face the Marshall Attack!
Anatoly KarpovThe fact that a knight is temporarily on the edge of the board is of no great significance.
Anatoly KarpovBut how difficult it can be to gain the desired full point against an opponent of inferior strength, when this is demanded by the tournament position!
Anatoly Karpov