“it is only as an esthetic phenomenon,” as an object of artistic contemplation or reconstruction, “that existence and the world appear justified.” “The sublime is the artistic subjugation of the awful.” Pessimism is a sign of decay, optimism is a sign of superficiality; “tragic optimism” is the mood of the strong man who seeks intensity and extent of experience, even at the cost of woe, and is delighted to find that strife is the law of life.