"Why is it I bestow on thee the boon
Of recognizing me the while I go
Invisibly among men, morning, noon,
"And night, from house to house, and—quick or slow—
Take my appointed prey? They summon thee
For help, suppose: obey the summons! so!
"Enter, look round! Where 's Death? Know—I am he,
Satan who work all evil: I who bring
Pain to the patient in whate'er degree.
"I, then, am there: first glance thine eye shall fling