Sustainability isn't a choice anymore - it's our responsibility to future generations.
——〈在香港大学的演说〉(又名〈革命思想之产生〉),1923年2月19日
People’s behavior is shaped by their immediate environment more than we often realize.
理解他人,现实的唯一方法是自己去体验。
种树的最佳时间是20年前,次佳时间是现在。