Contradiction with Isaiah 43:18
While Psalms 78:12 recounts God's marvelous works, Isaiah 43:18 advises forgetting former things and not dwelling on the past.
Isaiah 43:18: Remember ye not the former things, neither consider the things of old.
Contradiction with Ecclesiastes 1:9
Psalms 78:12 emphasizes God's miraculous deeds as extraordinary, whereas Ecclesiastes 1:9 suggests there is nothing new under the sun.
Ecclesiastes 1:9: The thing that hath been, it [is that] which shall be; and that which is done [is] that which shall be done: and [there is] no new [thing] under the sun.
Contradiction with 1 Kings 19:11-12
Psalms 78:12 highlights God's public wonders, while 1 Kings 19:11-12 portrays God in a quiet, gentle whisper rather than miraculous signs.
1 Kings 19:11-12: And he said, Go forth, and stand upon the mount before the LORD. And, behold, the LORD passed by, and a great and strong wind rent the mountains, and brake in pieces the rocks before the LORD; [but] the LORD [was] not in the wind: and after the wind an earthquake; [but] the LORD [was] not in the earthquake:
Contradiction with Matthew 12:39
Psalms 78:12 recounts signs and wonders, whereas Matthew 12:39 warns against seeking after signs, calling it an evil and adulterous generation that does so.
Matthew 12:39: But he answered and said unto them, An evil and adulterous generation seeketh after a sign; and there shall no sign be given to it, but the sign of the prophet Jonas:
Contradiction with John 20:29
Psalms 78:12 focuses on visible signs and miracles, whereas John 20:29 highlights blessing those who believe without seeing.
John 20:29: Jesus saith unto him, Thomas, because thou hast seen me, thou hast believed: blessed [are] they that have not seen, and [yet] have believed.