The greatest problem for mathematicians now is probably the Riemann Hypothesis.
偶像要长得比较好看,但是我并不英俊,所以我也不指望别人因为相貌而注意到我。
Never, never and never again shall it be that this beautiful land will again experience the oppression of one by another and suffer the indignity of being the skunk of the world.Let freedom reign!