《论衡·卷二·命义篇》
人命有长短，时世有盛衰，时世衰乱，人就容易得病死亡，这正是遭受灾祸的证明。
人命有长短，时有盛衰，衰则疾病，被灾蒙祸之验也。 
Human lives have different lengths, and times have periods of prosperity and decline. When times are in decline and chaotic, people are more likely to fall ill and die, which is precisely evidence of suffering from disasters.