《汉书·传·外戚传下》
若是阴气侵入阳气，亏损了体内的正气，这不就会出现以下犯上，妻子控制丈夫，卑贱者凌驾于尊贵者之上一类的灾变吗？
夫以阴而侵阳，亏其正体，是非下陵上，妻乘夫，贱逾贵之变与？
If yin qi invades yang qi and diminishes the body's zheng qi, will this not give rise to such calamities as the lowly usurping authority over the noble, and wives controlling their husbands?