《梁书·列传·卷五十》
圣人的言论，浅显而又艰深，微妙而又委婉，道理幽深，很难透彻了解，像河、汉的水流，深广而无边。
夫圣人之言，显而晦，微而婉，幽远而难闻，河汉而不极。
The words of the sages are both superficial and deep, subtle and euphemistic. The truth is profound and difficult to understand. It is like the water of he and han, deep and boundless.