Contradiction with Joshua 1:9
Jeremiah 36:19 shows fear and caution, while Joshua 1:9 commands strength and courage.
Joshua 1:9: Have not I commanded thee? Be strong and of a good courage; be not afraid, neither be thou dismayed: for the LORD thy God [is] with thee whithersoever thou goest.
Contradiction with Proverbs 3:5
Jeremiah 36:19 suggests reliance on human strategy, while Proverbs 3:5 advises trusting in the Lord entirely.
Proverbs 3:5: Trust in the LORD with all thine heart; and lean not unto thine own understanding.
Contradiction with Isaiah 41:10
Jeremiah 36:19 shows an act of fear, whereas Isaiah 41:10 assures that there is nothing to fear with God's presence.
Isaiah 41:10: Fear thou not; for I [am] with thee: be not dismayed; for I [am] thy God: I will strengthen thee; yea, I will help thee; yea, I will uphold thee with the right hand of my righteousness.