你必须先对自己有所期望，然后才能做到。
You have to expect things of yourself before you can do them.
The world may be cruel, but it is also beautiful.
The best way to learn mathematics is to do mathematics.
I can't predict the future, but I can create it.
Writing is a way of speaking without being interrupted.
宇宙不是一个需要解决的谜题，而是一个需要经历的神秘。
质量会被长久记住，而价格很快被遗忘。
