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. To me, fearless is living in spite of those things that scare you to death.

The reality of a building is not the image of it, but the space within it.

科学不仅仅是寻找答案，更是提出正确的问题。

"The true measure of progress is not in the accumulation of knowledge, but in its application for the betterment of humanity."