在数学领域，每个问题都是发现新事物的机会。

You can’t change the people around you, but you can change the people you choose to be around.

I’ve never been a person that has been concerned about what people say. I’m just me.

The voice is a gift, but it's also something you have to work on every day.

不是有没有时间的问题，而是愿不愿意挤出时间的问题。