The human race has one really effective weapon, and that is laughter.
"The past is always with us, but it doesn't have to define us."
Man is condemned to be free.
Escribir es una forma de terapia, a veces pienso que todos deberían escribir, así no habría necesidad de psicoanalistas.
对智能的研究必须基于对符号系统的研究。
写作古文的难度，比登上青天还要难。
You have to believe in yourself when no one else does.