It must be clearly understood that Soviet players do not seek simple systems in the opening, but try to formulate opening systems in which everything is complicated, distinctive, or new.
Mikhail BotvinnikIf you are going to make your mark among masters, you have to work far harder and more intensively, or, to put it more exactly, the work is far more complex than that needed to gain the title of Master.
Mikhail BotvinnikI ... have two vocations: chess and engineering. If I played chess only, I believe that my success would not have been significantly greater. I can play chess well only when I have fully convalesced from chess and when the 'hunger for chess' once more awakens within me.
Mikhail Botvinnik