I always try to do something different, something that challenges me.
La palabra es el instrumento más poderoso que tenemos para cambiar el mundo.
活着是世界上最罕见的事情。大多数人只是存在，仅此而已。
The key is to keep improving, to keep working hard.
拍卖理论的挑战在于平衡简洁性和策略复杂性。