Verse 18

जिह्वा जर्जरतामेति प्राकृतानुनयज्वरैः ।पद्मकोटरकोणस्थमपि सूत्रं हिमैरिव

In plain words

The tongue wears down to raggedness through the fevers of base flattery -- as a thread, though lodged in the corner of a lotus's hollow, wears down under frosts.