What two words or phrases in this excerpt from "thanatopsis" by william cullen bryant best to reveal the meaning of the word blight as it is used in the poem? she has a voice of gladness, and a smile and eloquence of beauty, and she glides into his darker musings, with a mild and healing sympathy, that steals away their sharpness, ere he is aware. when thoughts of the last bitter hour come like a blight over thy spirit, and sad images of the stern agony, and shroud, and pall. and breathless darkness, and the narrow house, make thee to shudder, and grow sick at heart-- go forth, under the open sky, and list to nature's teachings,