写文章必须溯源经典,并参考诸子史书,这样才能自成一家而不因袭前人。
I have already carried out my duty. I have proved the Poincaré conjecture and I have nothing more to do in mathematics.
Other holidays repose upon the past; Arbor Day proposes for the future.
The only thing worse than a rock star is a rock star with a cause.