Sustainability isn’t a trend—it’s a necessity for survival.

战胜市场的唯一方法是拥有他人没有的信息，或者比他人更好地解读现有信息。

The human being cannot live in a condition of emptiness for very long: if he is not growing toward something, he does not merely stagnate; the pent-up potentialities turn into morbidity and despair, and eventually into destructive activities.

Tennis is a brutal sport. There is no place to hide out there.