But never the mouth of a foe."

Or this of Omar Chiam:—

"On earth's wide thoroughfares below

Two only men contented go:

Who knows what's right and what's forbid,

And he from whom is knowledge hid."

Here is a poem on a melon, by Adsched of Meru:—

"Color, taste, and smell, smaragdus, sugar, and musk,—

Amber for the tongue, for the eye a picture rare,—

If you cut the fruit in slices, every slice a crescent fair,—