The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.

写作就是抵抗。

数学的本质不是把简单的事情复杂化，而是把复杂的事情简单化。

The pursuit of truth is the noblest endeavor of mankind.

地理学是研究地球作为人类家园的科学。