Quantum mechanics is not just a theory about the world, it is a description of the world at its most fundamental level.

在科学中最激动人心的短语，预示着新发现的，不是“我找到了！”而是“这有点奇怪……”

The most sustainable tree is the one that's still standing.

As to the gods, I have no means of knowing either that they exist or that they do not exist. For many are the obstacles that impede knowledge, both the obscurity of the question and the shortness of human life.