1. Every gain must come with a loss

2. A blessing in disguise is a blessing in disguise

3. When heaven is about to entrust a great responsibility to this person, he must first suffer. The mind and will work their muscles and bones, starve their body and skin, and deplete their body, and their behavior will disturb their actions, so they can use their mind and forbearance to gain what they can't do

Personal opinion, I hope it can help you, welcome to adopt O (∩_∩)O~