世间美好的事物往往不牢固，彩云容易消散，琉璃容易破碎

"Writing is not just about telling stories; it's about discovering the truth within them."

We are here to add what we can you to life，not to get what we can from it.

The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.