了解你是否能信任某人的最好方法就是去信任他们。

解释：大部分茶都是寒性的，而绿茶却是温性的，体现了茶性质的差异。

Psychology must be based on observable facts, not speculation.

Leadership is about serving others and helping them achieve their potential.

如果A代表一个人的成功，那么A等于x加y加z。勤奋工作是x；y是玩耍，而z是把嘴闭上。

We want to build technology that everybody loves using, and that affects everyone. We want to create beautiful, intuitive services and technologies that are so incredibly useful that people use them twice a day. Like they use a toothbrush. There aren’t that many things people use twice a day.