He who fights with monsters might take care lest he thereby become a monster. Is not life a hundred times too short for us to bore ourselves?
Friedrich NietzscheThere is one thing one has to have either a soul that is cheerful by nature, or a soul made cheerful by work, love, art, and knowledge.
Friedrich NietzscheConversation with a friend will only bear good fruit of knowledge when both think only of the matter under consideration and forget that they are friends.
Friedrich Nietzsche