The significance of challenging yourself lies in realizing the value of life. The ego can't realize the meaning of life because of the growing environment, human weakness, national system and other reasons, so it needs to challenge itself and enrich the connotation of life. The motivation to challenge yourself comes from the love of life, and the way to challenge life lies in rationality. Through reason, we can resist the weakness of human nature and improve ourselves until the end of life, thus demonstrating the value of life.

Ps: (The following is from Baidu's Superman Philosophy) In the era of the total collapse of traditional values, how do people re-establish the meaning of life? It is in the process of seeking the answer to this question that Nietzsche put forward his "Superman" philosophy. Nietzsche's "superman" image can be roughly summarized as follows: Superman is a person who transcends himself and the weak, he can fully express himself and dominate mediocrity; Superman is the standard of truth and morality and the creator of norms and values; Superman is free, selfish and self-sufficient; Superman faces the greatest pain and hope of mankind; Superman grew up in an unfavorable environment, and hatred, jealousy, stubbornness, doubt, harshness, greed and violence can only make Superman stronger. Therefore, we can draw a conclusion: Nietzsche's superman is not a humble, trivial and weak person, but a rich, great and complete person. However, Nietzsche did not regard Superman as absolute. Superman and the "last man" relative to Superman are "a relative concept", and Superman can surpass himself and others.