"Every border is a fiction, drawn first in the mind before it scars the earth."
To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them.
无人机的安全性不是选项，而是底线。
大陆漂移理论不仅仅是一个假设，而是一种物理必然。
我们对明天的唯一限制是我们今天的疑虑。
I think it's important to have a sense of humor about yourself and not take yourself too seriously.