And when two such people encounter each other, and their eyes meet, the past and the future become unimportant. There is only that moment, and the incredible certainty that everything under the sun has been written by one hand only. It is the hand that evokes love, and creates a twin soul for every person in the world. Without such love, one's dreams would have no meaning.

我们距离完全理解M理论还很远，但这一旅程已经带来了难以置信的回报。

We must balance economic growth with environmental stewardship.

【译文】 子夏说：“广泛学习并且不停地朝着目标前进，认真地提出问题并且联系实际去思考，仁就在其中了。”

Incentives matter because they guide behavior in predictable ways.

 我们应该为人们的诞生而哭泣，而不是为他们的死亡。