Those first 4 lines!

To see a World in a Grain of Sand And a Heaven in a Wild Flower Hold Infinity in the palm of your hand And Eternity in an hour A Robin Red breast in a Cage Puts all Heaven in a Rage A Dove house filld with Doves and Pigeons Shudders Hell thro all its regions A Dog starvd at his Masters Gate Predicts the ruin of the State A Horse misused upon the Road Calls to Heaven for Human blood Each outcry of the hunted Hare A fibre from the Brain does tear A Skylark wounded in the wing A Cherubim does cease to sing The Game Cock clipd and armd for fight Does the Rising sun affright Every Wolfs and Lions howl Raises from Hell a Human Soul

Read the full poem here.