A young man from a poor background, with limited education, moved to the city in search of work, only to find that no one there respected him. Just as he decided to leave the city, he wrote a letter to the famous banker, Ross, complaining about the unfairness of fate. While waiting for a response, he exhausted his last cent and packed his bags. At that moment, the landlord informed him that Ross had written back. In the letter, Ross did not express sympathy for his situation; instead, he shared a story about the ocean's apex predator: In the vast ocean, most fish rely on the buoyancy provided by their swim bladders to control their position and protect their internal organs. One could say that the swim bladder governs a fish's survival. However, there is one remarkable exception: sharks are born without swim bladders! This unique trait has allowed them to exist since long before the dinosaurs, spanning hundreds of millions of years. Scientists have discovered that because they lack swim bladders, sharks will sink if they stop moving. Therefore, they must rely on continuous muscle movement, swimming tirelessly through the water. This constant motion not only keeps them physically strong but also endows them with extraordinary combat abilities. Ross wrote that the city was like a vast ocean, and the young man was currently like a fish without a swim bladder. The letter left the young man in deep thought, and he eventually changed his decision. The next day, he told the hotel owner that as long as he was provided with a meal, he would work as a waiter without any salary. Ten years later, he became a wealthy oil tycoon named Hart, whose success was envied throughout the United States. With hope in your heart, there is always a path forward. Rather than lamenting the unfairness of fate, one should strive to be like a shark—turning weaknesses into strengths, forging a path of power, and achieving a life-changing breakthrough.