"Tarrasch's 'dogmas' are not eternal truisms, but merely instructional material presented in an accessible and witty form, those necessary rudiments from which one can begin to grasp the secrets of chess."

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Not infrequently ... the theoretical is a synonym of the stereotyped. For the 'theoretical' in chess is nothing more than that which can be found in the textbooks and to which players try to conform because they cannot think up anything better or equal, anything original.

— Mikhail Chigorin