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 suddenly, with trembling terror, Aeneas seizes his sword and directs the naked edge towards their approach; and had his wise companion not warned him that these were just faint, bodiless lives fleeting under a hollow appearance of form, he would rush upon them and in vain split shadows with steel.