"advise him of his happy state—
Happiness in his power left free to will,
Left to his own free will, his will though free
Yet mutable" (5.234-7).
"The monstrous sight
Strook them with horror backward but far worse
Urged them behind: headlong themselves they threw
Down from the verge of Heav'n" (6.862-5).
"Firm they might have stood,
Yet fell; remember, and fear to transgress" (6.910-1).