事实是，你不知道明天会发生什么。生活是一场疯狂的旅程，没有什么是有保证的。

Every problem in mathematics is an opportunity to learn something new.

I don't care if you're black, white, straight, bisexual, gay, lesbian, short, tall, fat, skinny, rich or poor. If you're nice to me, I'll be nice to you. Simple as that.

Quality is the lifeline of the enterprise. We always adhere to high standards and strict requirements to ensure that every piece of stone can stand the test of time.

I think therefore I am has been discarded; we should say, I feel therefore I am.

我学到的最重要一课是相信自己。

"We are all haunted by the ghosts of our younger selves."