Ridicule can do much, for instance embitter the existence of young talents.

Do not always be thinking of attack! Moves that safeguard your position are often far more prudent.

When I today ask myself whence I got the moral courage, for it takes moral courage to make a move (or form a plan) running counter to all tradition, I think I may say in answer, that it was only my intense preoccupation with the problem of the blockade which helped me to do so.

The threat is stronger than the execution.

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.

How can I lose to such an idiot?

First restrain, next blockade, lastly destroy.