如果存在封闭的时间型曲线，那么确信所有事件都保持一致对我们来说就既奇怪又不合乎自然规律，感觉就象从后往前播放电影，或者是其他任何减少一致性的演变实例。
If closed timelike curves exist, ensuring that all events are consistent is just as strange and unnatural to us as a movie played backward, or any other example of evolution that decreases entropy.
自然的本质在于它可以经历演变，慢慢地清除曾在这里发生的悲惨事件的痕迹。
The essence of nature is that it can, through transformation, slowly erase all traces of the tragic events that happened here.
自然的本质在于它可以经历演变，慢慢地清除曾在这里发生的悲惨事件的痕迹。
The essence of nature is that it can, through transformation, slowly erase all traces of the tragic events that happened here.
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