And winged the shaft that quivered in his heart:

Keen were his pangs, but keener far to feel

He nursed the pinion which impelled the steel,

While the same plumage that had warmed his nest

Drank the last life-drop of his bleeding breast.

Byron: On the Death of Kirke White.

Waller says, in his Lines to a Lady singing a song of his own composing,—

That eagle’s fate and mine are one,

Which, on the shaft that made him die,

Espied a feather of his own