Contradiction with Psalms 91:7
This verse suggests divine protection, stating that even when thousands fall, one will be unharmed, which contradicts Psalms 78:63 where youth fall by the sword.
Psalms 91:7: A thousand shall fall at thy side, and ten thousand at thy right hand; [but] it shall not come nigh thee.
Contradiction with Psalms 34:7
This verse talks about the angel of the Lord protecting those who fear Him, which contrasts with the vulnerability implied in Psalms 78:63.
Psalms 34:7: The angel of the LORD encampeth round about them that fear him, and delivereth them.
Contradiction with Isaiah 54:17
Promises that no weapon formed against the faithful will prosper, contradicting the description of youth being consumed by fire in Psalms 78:63.
Isaiah 54:17: No weapon that is formed against thee shall prosper; and every tongue [that] shall rise against thee in judgment thou shalt condemn. This [is] the heritage of the servants of the LORD, and their righteousness [is] of me, saith the LORD.
Contradiction with Exodus 14:14
States that the Lord will fight for His people, they need only to be still, whereas Psalms 78:63 shows no divine intervention for protection.
Exodus 14:14: The LORD shall fight for you, and ye shall hold your peace.