老年人相信每一件事物;中年人猜疑每一件事物;青年人什么都懂。
我不想只做一个歌手。我想成为一个表演者。
The secret of change is to focus all of your energy, not on fighting the old, but on building the new.
The greatest wisdom is in simplicity.
The arithmetic of modular forms is a key to understanding the deeper mysteries of number theory.