With his own bolt; the [strong-based] promontory
Have I made shake, and by the spurs pluck’d up
The pine and cedar: graves at my command
Have waked their sleepers, oped, and let ’em forth
V. 1. 50 By my so potent art. But this rough magic
I here abjure; and, when I have required
Some heavenly music,—which even now I do,—
To work mine end upon their senses, that
This airy charm is for, I’ll break my staff,
55 Bury it certain fathoms in the earth,