我们都有自己的时间机器。带我们回去的叫回忆，带我们前行的叫梦想。

The magical thing about this network is not just that it collapses distance and makes everyone your neighbor. It also dramatically increases the number of brilliant minds we can have working together on the same problem--and that scales up the rate of innovation to a staggering degree.

The only way to be happy is to love. To love intensely, so that the pain passes quickly.

每一个挑战都是学习和成长的机会。