Morrish Bible Dictionary 
The worm is used symbolically to show the extreme feebleness of man. Job 17:14; Job 25:6 . In blessing Israel Jehovah said, "Fear not, thou worm Jacob," Isaiah 41:14; and the Lord, to indicate the low estate in which He was, said, "I am a worm and no man." Psalm 22:6 . In the grave man's body becomes the companion of worms, if they do not actually feed upon it. Job 21:26; Job 24:20; Isaiah 14:11 . Of the eternal punishment of the wicked it is recorded " their worm dieth not." Mark 9:44,46,48; cf. Isaiah 66:24 . Herod Agrippa, being smitten by an angel, was literally 'eaten of worms.' Acts 12:23 . In Job 25:6 man is compared to a worm literally 'a maggot' an apt figure of moral corruption.
The Nuttall Encyclopedia 
An old German town in Hesse-Darmstadt, in a fertile plain on the left bank of the Rhine, 40 m. SE. of Mainz, with a massive Romanesque cathedral having two domes and four towers; it was here the Diet of the empire was held under Charles V., and before which Martin Luther appeared on 17th April 1521, standing alone in his defence on the rock of Scripture, and deferentially declining to recant: "Here stand I; I can do no other; so help me God."