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生活中唯一的限制是你自己设定的。
When speaking to an audience it’s better to fix your gaze on a few people than to “spray” your gaze across the room. Your eyes telegraph to others whether you really believe what you are saying.
The inflationary universe model provides a possible explanation for the origin of the universe.
The great challenge of our time is to build institutions that can manage the complexity of modern societies.
成功不是幸福的关键。幸福才是成功的关键。如果你热爱你所做的事情,你就会成功。