真正的美国发现还在我们面前。我们精神、我们人民、我们强大而不朽的土地的真正实现尚未到来。
证据的确定性并不导致信仰的确定性。
Doing simple things well is extraordinary, doing ordinary work well is remarkable.
The only way to save a rhinoceros is to save the environment in which it lives, because there's a mutual dependency between it and millions of other species of both animals and plants.
每一个边界都意味着维持它的暴力。