出自《海国图志序》。善于学习外国的长处，就能够征服外国;不善于学习外国的长处就会被外国所征服。

Ethernet is a shared medium, and the key to its success is its simplicity.

The landscape of string theory is vast and complex, with perhaps 10^500 different possible universes.

生活就像是走向悬崖边，然后跳下去，在下坠的过程中建造好你的翅膀。