Contradiction with Exodus 20:5
This verse emphasizes God's jealousy and punishment, which seems to contradict the preference of God's lovingkindness over life itself as expressed in Psalms 63:3.
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 Isaiah 45:7
Highlights God's role in creating both peace and evil, seemingly conflicting with the focus on God's lovingkindness found in Psalms 63:3.
Isaiah 45:7: I form the light, and create darkness: I make peace, and create evil: I the LORD do all these [things].
Contradiction with Lamentations 3:38
Suggests that both good and bad come from the mouth of the Most High, contrasting with the emphasis on lovingkindness in Psalms 63:3.
Lamentations 3:38: Out of the mouth of the most High proceedeth not evil and good?