每个国家都有责任保护我们的海洋，无论其海岸线大小如何。
Theoretically there is a perfect possibility of happiness: believing in the indestructible element within oneself, and not striving towards it.
"The world is a stage, but the play is badly cast."
The past is never dead. It's not even past.
I’m a very positive thinker, and I think that is what helps me the most in difficult moments.
代数分析是所有科学中最广泛和最确定的；它是唯一具有不变和可靠方法的一门科学。
All violence consists in some people forcing others, under threat of suffering or death, to do what they do not want to do.
唯一能阻止你的人是你自己。