The knight of QB3 is under obligation, the moment the enemy gives him the chance, of undertaking an invasion of the center by Kn-Q5.

The threat is stronger than the execution.

How can I lose to such an idiot?

Ridicule can do much, for instance embitter the existence of young talents; but one thing is not given to it, to put a stop permanently to the incursion of new and powerful ideas.

Giving up the center must not here be regarded as illogical. Was happiness no happiness because it endured for just a short time? One cannot always be happy.

The main Objective of any operation in an open file is the eventual Occupation of the seventh or eighth Rank.

The passed Pawn is a criminal, who should be kept under lock and key. Mild measures, such as police surveillance, are not sufficient