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

最重要的是保持謙遜。

There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.

促使人們傾向于和平的激情是對(duì)死亡的恐懼，對(duì)舒適生活必需品的渴望，以及通過(guò)自己的努力獲得這些的希望。