Thus the will to live everywhere preys upon itself, and in different forms is its own nourishment, till finally the human race, because it subdues all the others, regards nature as a manufactory for its own use. Yet even the human race...reveals in itself with most terrible distinctness this conflict, this variance of the will with itself; and we find <i>homo homini lupus</i>.

optimism, where it is not just the thoughtless talk of someone with only words in his flat head, strikes me as not only absurd, but even a truly wicked way of thinking, a bitter mockery of the unspeakable sufferings of humanity.

A last trick is to become personal, insulting and rude as soon as you perceive that your opponent has the upper hand. In becoming personal you leave the subject altogether, and turn your attack on the person by remarks of an offensive and spiteful character. This is a very popular trick, because everyone is able to carry it into effect.