I have already carried out my duty. I have proved the Poincaré conjecture and I have nothing more to do in mathematics.
每个人对自己劳动的产权既是所有其他产权的最初基础,也是最神圣和不可侵犯的。
艺术家必须是可见与不可见之间的桥梁。
We need to be vigilant about the security of the Internet.
La novela es un espejo que refleja la sociedad, con todas sus luces y sombras.