唯一的限制是你自己设定的限制。

对事实进行分类并认识它们的顺序和相对重要性是科学的功能。

Character is not something that you are born with and can't change, like your fingerprints. It's something you weren't born with and must take responsibility for forming.

对自己抱有兴趣的人使我们感兴趣。