人类的选择在于自由和幸福之间，而对于大多数人来说，幸福更好。

A sober looks shows that just have the world gotten to be a better place after all; it is also grown a bit worse at the exact same rate.; a one step up, a one step back sort of cosmic balance between forward progress, and cultural retreat, that puts man kind on a bell curve of existence.

Space and light and order. Those are the things that men need just as much as they need bread or a place to sleep.

解析：良知如规矩尺度，指导我们应对变化。

We are all strangers, even to ourselves.