Not contentment, but more power; not peace at any price, but war; not virtue, but efficiency (virtue in the Renaissance sense, virtu , virtue free of moral acid).
Friedrich NietzscheThe task is not to overcome opponents in general but only those opponents against whom one has to summon all one's strength, one's skill and one's swordsmanship-in fact to master opponents who are one's equals.
Friedrich Nietzsche