If you are weak in the endgame, you must spend more time analysing studies; in your training games you must aim at transposing to endgames, which will help you to acquire the requisite experience.
Mikhail BotvinnikYou have to accustom yourself to practical study at home, you have to devote time to studies, to the history of chess, the development of chess theory, of chess culture.
Mikhail BotvinnikIt is a well known fact that almost all the outstanding chess-players have been first-class analysts.
Mikhail Botvinnik