hile the bright long assonance sounds seem to emphasize living. Thomas' two refrain lines also serve as a metaphor to death, "the dying of the light" and "that good night" representing the end.
             Thomas creates a vivid picture within his poem, using various techniques of imagery to cause the reader to paint the work in their mind. Onomatopoeias, such as "dying", "flight", and "grieved", have been placed strategically and intelligently throughout the piece. Other dark images have also been positioned in "Do Not Go Gentle Into That Good Night", examples being "close of day" (line 2), "dying of the light" (lines 3, 9, 15 and 19), and "sad height" (line 16)
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