Sustainability isn't a choice—it's our responsibility to future generations.
每一个数学问题都是通向新理解世界的窗口。
You can't be afraid of people willing to hurt you, because if you fear life, then you will never live.
"The past is always with us, but it doesn't have to define our future."
身体为灵魂提供了一个照料和使用的工具。
I'm not perfect, but I'm always me.