corripit hic subita trepidus formidine ferrum Aeneas, strictamque aciem venientibus offert; et, ni docta comes tenuis sine corpore vitas admoneat volitare cava sub imagine formae, inruat et frustra ferro diverberet umbras.
Here on a sudden, in trembling terror, Aeneas grasps his sword, and turns the naked edge against their coming; and did not his wise companion warn him that these were but faint, bodiless lives, flitting under a hollow semblance of form, he would rush upon them and vainly cleave shadows with steel.