Continuous improvement is not optional—it's essential.

生活中唯一的限制是你自己设定的。

"In observational studies, we often have to rely on assumptions that are not directly testable."

I think it's important to always keep learning and growing.

你的空间无法扩展是因为我。

The universe would look to a two-dimensional creature who spend its life moving on the service of what turned out to be a globe， it could travel for millions of years and would always return to its starting point， it would never be conscious of what was above it or beneath it.