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出自先秦《荀子·哀公》。鸟被逼得走投无路之时就会用嘴啄人,兽到困窘之时就会用爪抓人,人到穷困潦倒之时就会设计骗人。以鸟兽困窘之时的行为为喻,说明人到穷困潦倒之时便会放弃道德操守的原因。
幸福不是一种权利;它是一种罕见而珍贵的例外。
I'm the reason your present won't stay.
Technology alone won't solve our challenges—it's how we apply it that matters.
The natural and moral world is the two-fold object of man's rational care.