If you feel pain, it's because you're growing.
如果你感到痛苦,那是因为你在成长。
数学的本质不是使简单的事情复杂化,而是使复杂的事情简单化。
成功的真正标准是我们如何提升我们所运营的社区。
The most common form of despair is not being who you are.
To listen is to allow the world to enter you.