可持续性不是一种选择；它是我们星球未来的必需品。

没有合适的人来实施，最好的技术也会失败。

The four most dangerous words in investing are: 'this time it's different.'

Every line you draw should have a purpose, even if it's just to make someone smile.

从老师那里学到一切是学生的责任，充分激发学生的全部潜力是老师的责任。