每个人都对自己的身体拥有所有权,没有人有权支配他,除了他自己。
If you want something done right, do it yourself.
Own only what you can always carry with you: know languages, know countries, know people. Let your memory be your travel bag.
学习理论中的一个关键见解是,假设类的复杂性对于泛化至关重要。