改变对痛苦的态度，痛苦就是幸运

This text emphasizes the importance of changing one"s attitude towards pain, seeing it as an opportunity for growth and learning. It discusses the role of pain in personal evolution, the necessity of challenges for health, and the concept of reality as not always catering to individual desires. The main themes revolve around resilience, growth through adversity, and the pursuit of efficiency in the face of life"s difficulties.