没有了目的，生活便郁闷无光。

"We need to think differently about how we approach cancer treatment."

History is not the past. It is the present. We carry our history with us.

在数学中，真理总是相对于你所在的系统而言的。

"I think the best writing comes from a place of truth, even if it's painful."

要发出光芒，必须忍受燃烧。