Travel changes you. As you move through this life and this world you change things slightly， you leave marks behind， however small. And in return， life—and travel—leaves marks on you.

最具可持续性的企业是那些平衡经济增长与环境责任的企业。

The past is a foreign country; they do things differently there.

故事是引导我们穿越黑暗的光。

可持续性不再是可选项，而是我们前进的唯一道路。

做数学的艺术在于找到包含所有普遍性萌芽的特殊情况。