"Heaven is about to entrust a great responsibility to this person, and he must first endure hardships in his mind, strain his muscles and bones, and starve his body and skin." Only by experiencing hardship can one become a superior person."

1. "When heaven is about to assign a great responsibility to a man, he must first work hard on his mind, work his muscles and bones, and starve his body and skin." This sentence emphasizes that before pursuing a great goal, you need to go through certain hardships and giving. By experiencing difficulties and challenges, people's minds will become stronger, and their bodies and minds will be exercised and improved. This experience can help people better cope with future responsibilities and challenges.

2. "The edge of a sword comes from sharpening, and the fragrance of plum blossoms comes from bitter cold." This sentence tells us through metaphor that only by experiencing hardships and hardships can we cultivate truly outstanding qualities. Just like a sword needs repeated sharpening to be sharp, plum blossoms need a bitter cold environment to bloom with their fragrant fragrance.

3. "Only by enduring hardship can one become a better person." This sentence emphasizes that only by enduring hardship and enduring difficulties can one become a better person. People who have experienced hardship will become stronger and wiser, and can learn valuable experiences and lessons from difficult situations.