A world without forests is a world without breath.

You are never too old to set another goal or to dream a new dream.

如果你的目标不是盈利——而是要做大，获得快速增长，或者成为科技行业的领军者——你将会面临很多问题。

Mathematics is not just a human invention; it has a deep reality that exists independently of us.

效率不仅仅是速度，而是第一次就把事情做对。

音乐是我的治疗方式。