The problem with the world is that the intelligent people are full of doubts, while the stupid ones are full of confidence.

应对世界的唯一方法就是书写它。

数学的美在于它让我们以一种既精确又深刻的方式看待世界，揭示支配万物的潜在秩序。

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.