Eliot's note for line 64

Cf. Inferno IV, 25-27:

Quivi, secondo che per ascoltare,
non avea pianto, ma' che di sospiri,
che l'aura eterna facevan tremare.

Commentator's note

Eliot is referring us to Dante Alighieri's poem Inferno, Canto IV, verses 25-27.

The line quoted by Eliot can be translated as:

Here, as mine ear could note, no plaint was heard
Except of sighs, that made th' eternal air
Tremble