我不会让消极情绪击垮我。
"Understanding the mechanisms of life is like unraveling the greatest mystery of the universe."
"To be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others."
野外的规则是适者生存。你必须强壮、聪明、适应力强才能生存下来。