Not as though thou hadst thousands of years to live. Death hangs over thee: whilst yet thou livest, whilst thou mayest, be good.
不要活得仿佛自己还有数千年的光阴。死亡就在头顶:趁你还活着,趁你还做得到,做一个善良的人。
— Marcus Aurelius · Meditations · Book IV, XIV (Meric Casaubon translation, 1634) —