《南齐书·列传·卷三十三》
假设让我的学识像马融、郑玄那样，也一定很强；再又我学识加倍不如现在这样，也必定大减。
设令吾学如马、郑，亦必甚胜；复倍不如今，亦必大减。
If my knowledge is of the same level as Ma Rong and Zheng Xuan, it would be very high; or even if it is half of what it is now, it would surely be reduced greatly.