唯一真正的发现之旅不在于寻找新的风景，而在于拥有新的眼光。
I had ambition not only to go farther than any man had been before, but as far as it was possible for a man to go.
心有其理，理性对此一无所知。
La verdadera ciencia enseña, sobre todo, a dudar y a ser ignorante.
The secret of happiness is to expand your interests as much as possible and to be as kind as possible to the people and things that interest you.