Paper can be permanent if you respect its characteristics and design accordingly.
Great truths are even more simple than I thought they were....
理论上存在一种完美的幸福可能性:相信自身内不可摧毁的元素,而不必努力追求它。
The connection between Galois groups and automorphic forms is one of the most profound mysteries in mathematics.
我不是说唱歌手,我是一个中文的传奇。
恐惧是强大的动力,但它也是个骗子。