"El pasado es un país extranjero; allí hacen las cosas de otra manera."

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

解释：看见外表就可以知道内里，看见过去就可以知道未来。

The only limits that exist are the ones you place on yourself.

The only true wisdom is in knowing you know nothing.

An adequate bootstrap is a contradiction in terms.