Sustainable forestry is not an option; it's an obligation.
Exploring the unknown is an eternal pursuit of humanity.
不要停止相信,除非你的梦想很糟糕。
The stock market is a device for transferring money from the impatient to the patient.
文化的解释不是寻找规律的实验科学,而是寻找意义的解释性科学。
预测未来的最好方式就是创造未来。