However,Nietzsche s comments on science are part of his revaluation,whose "active nihilism" endows science with new value and meaning,that is,his revaluation of science from the perspective of art and life.

After disappointed with the alienated capitalist society,with attitudes of value reevaluation and negating real society,Nietzsche negates the thoughts and morals of ruling class of that time by power will to the extent of profaning the holiness of religion and encouraging the vitality of human,and takes this as core idea for beauty and art.

Lu Xun s endearment to the owl is a reasonable and selected kind of affection: for one thing, the main characteristics of the owl are beneficial to reflect Lu Xun s thoughts, and for another, it is also a correction of the reversed attitude towards the value, implying Nietzschean thought of "the reevaluation of all the values".