Contradiction with Proverbs 3:25-26
These verses instruct not to fear sudden terror or ruin, implying the presence of fear, whereas Matthew 17:7 is Jesus telling His disciples not to fear, thus removing fear.
Proverbs 3:25-26: Be not afraid of sudden fear, neither of the desolation of the wicked, when it cometh.
Contradiction with 2 Timothy 1:7
This verse implies a constant state of God-given power, love, and sound mind opposed to being fearful, while Matthew 17:7 presents a situational removal of fear by Jesus.
2 Timothy 1:7: For God hath not given us the spirit of fear; but of power, and of love, and of a sound mind.