你在20多岁时做出的选择将塑造你未来几十年的生活。

By the help of microscopes, there is nothing so small as to escape our inquiry; hence there is a new visible world discovered to the understanding.

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

人类的愚蠢在于，总是把简单的事情复杂化。