Success is nice, but the real reward is in the doing.
危机中往往隐藏着机遇,关键是如何把握。
The greatest problem for mathematicians now is probably the Riemann Hypothesis.
我的花生命是短暂的,她只有四根刺可以保护自己,抵御世界,我却将她独自留在我的星球上了!