【释义】人总是因为自以为是，反而因此互相指责、诋毁。

Fearless is not the absence of fear. It’s not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.

数学推理可以相当系统地看作是对两种能力的结合运用，我们可以称之为直觉和独创性。

可持续性不是一种趋势，而是负责任商业的基础。