Sustainability isn't a choice anymore—it's a responsibility we owe to future generations.

There are only two tragedies in life: one is not getting what one wants and the other is getting it.

我学会了如何生活……如何在这个世界上生活，而不仅仅是站在一旁观看。

伟大的哲学家是那些有勇气为自己思考的人。

Men and women differ in their reproductive strategies because they have faced different adaptive problems throughout evolutionary history.

饥饿和贫困是世界上许多动荡和苦难的根本原因。