The world may be mean, but people don’t have to be, not if they refuse.

The most sustainable harvest is one that leaves the forest healthier than we found it.

The laws of physics produce complex structures, and in at least one case, a complex structure produces the laws of physics.

美国梦是由美国能源驱动的。

弓已经弯好拉满 你留心躲开箭锋吧。