To live is the rarest thing in the world. Most people exist, that is all.
生活是世界上最罕见的事情，大多数人只是存在，仅此而已。
"You have to love yourself before you can love someone else."
You can't judge a book by its cover, but you can by its first chapter.
逻辑学的研究是关于正确推理原则的研究。