Training in analysis (like any other form of chess training) should be treated very seriously.
Mark DvoretskyI feel that it is no less interesting to be a trainer than to play oneself. I even take greater delight in the tournament successes of my lads than I do in my own.
Mark DvoretskyAs a rule, pawn endings have a forced character, and they can be worked out conclusively.
Mark DvoretskyIt is hardly useful if you trustingly play through variation after variation from a book. It is a great deal more useful and more interesting if you take part actively in the analysis, find something yourself, and try to refute some of the author's conclusions.
Mark Dvoretsky