The arithmetic of modular forms is a reflection of the deeper symmetries of number theory.
释义:天之险在于高不可升,地之险在于山川丘陵。王公设险以保卫国家,险的功用非常大。
真正的挑战是创造能与人们情感共鸣的空间。
The only limits you have are the ones you set for yourself.