שיר השירים ו:ו פירוש: רש״י

Your teeth. The officers and the mighty that are among you are entirely good.

Like a counted flock. The ewe can entirely be utilized for holy purposes: its wool is for blue thread, its flesh for sacrifice, its horns for shofars, its thighs for flutes, its intestines for harp [strings], its hide for a drum. But the wicked [i.e., nations] were likened to dogs, for they are entirely unuseable for holy purposes.