While Satan roams through Paradise, with "sly circumspection," Uriel descends on an evening sunbeam to warn Gabriel, chief of the angelic guards, that a suspected Spirit, with looks "alien from Heaven," had passed to earth, and Gabriel promises to find him before dawn.
Now came still Evening on, and Twilight gray Had in her sober livery all things clad; Silence accompanied; for beast and bird, They to their grassy couch, these to their nests Were slunk, all but the wakeful nightingale. She all night long her amorous descant sung. Silence was pleased. Now glowed the firmament With living sapphires; Hesperus, that led The starry host, rode brightest, till the Moon, Rising in clouded majesty, at length Apparent queen, unveiled her peerless light, And o'er the dark her silver mantle threw.
Adam and Eve talk ere they retire to rest—she questioning him
"Sweet is the breath of Morn, her rising sweet, With charm of earliest birds; pleasant the Sun, When first on this delightful land he spreads His orient beams, on herb, tree, fruit, and flower, Glistening with dew; fragrant the fertile Earth After soft showers; and sweet the coming on Of grateful Evening mild; then silent Night With this her solemn bird, and this fair Moon, And these the gems of Heaven, her starry train; But neither breath of Morn, when she ascends With charm of earliest birds; nor rising Sun On this delightful land; nor herb, fruit, flower, Glistening with dew; nor fragrance after showers, Nor grateful Evening mild; nor silent Night, With this her solemn bird; nor walk by moon, Or glittering star-light, without thee is sweet. But wherefore all night long shine these? For whom This glorious sight, when sleep hath shut all eyes?"
Adam replies:
"These have their course to finish round the Earth, And they, though unbeheld in deep of night, Shine not in vain. Nor think, though men were none, That Heaven would want spectators, God want praise. Millions of spiritual creatures walk the earth Unseen, both when we wake, and when we sleep; All these with ceaseless praise His works behold Both day and night.".... Thus talking, hand in hand, alone they passed On to their blissful bower.
Gabriel then sends the Cherubim, "armed to their night watches," and commands Ithuriel and Zephon to search the Garden, where they find Satan, "squat like a toad close to the ear of Eve," seeking to taint her dreams.
Him thus intent Ithuriel with his spear Touched lightly; for no falsehood can endure Touch of celestial temper, but returns Of force to its own likeness.
Satan therefore starts up in his own person, and is conducted to Gabriel, who sees him coming with them, "a third, of regal port, but faded splendour wan." Gabriel and he engage in a heated altercation, and a fight seems imminent between the Fiend and the angelic squadrons that "begin to hem him round," when, by a sign in the sky, Satan is reminded of his powerlessness in open fight, and flees, murmuring; "and with him fled the shades of Night."