Contradiction with Exodus 20:5
This verse discusses God visiting the iniquities of the fathers upon the children, contradicting the idea of children not being born to trouble.
Exodus 20:5: Thou shalt not bow down thyself to them, nor serve them: for I the LORD thy God [am] a jealous God, visiting the iniquity of the fathers upon the children unto the third and fourth [generation] of them that hate me;
Contradiction with Ecclesiastes 4:3
This verse suggests that non-existence is better than life for one who has not seen the evil work under the sun, contradicting the assurance of blessed offspring in Isaiah.
Ecclesiastes 4:3: Yea, better [is he] than both they, which hath not yet been, who hath not seen the evil work that is done under the sun.
Contradiction with Job 14:1
This verse describes man as born unto trouble, contrasting the promise of a blessed lineage in Isaiah.
Job 14:1: Man [that is] born of a woman [is] of few days, and full of trouble. [few...: Heb. short of days]
Contradiction with Jeremiah 31:29
A proverb about fathers eating sour grapes and children's teeth being set on edge, indicating inherited troubles, which contradicts the assurance against laboring in vain or bearing for trouble.
Jeremiah 31:29: In those days they shall say no more, The fathers have eaten a sour grape, and the children's teeth are set on edge.