Contradiction with Matthew 10:34
This verse mentions that Jesus did not come to bring peace, but a sword, contradicting the notion of comfort and joy expressed in 2 Corinthians 7:13.
Matthew 10:34: Think not that I am come to send peace on earth: I came not to send peace, but a sword.
Contradiction with Ecclesiastes 7:3
Claims that sorrow is better than laughter, contrasting with the joy expressed in 2 Corinthians 7:13.
Ecclesiastes 7:3: Sorrow [is] better than laughter: for by the sadness of the countenance the heart is made better. [Sorrow: or, Anger]
Contradiction with Jeremiah 16:5
God tells Jeremiah not to enter a house of mourning or show comfort, contrasting with the comfort mentioned in 2 Corinthians 7:13.
Jeremiah 16:5: For thus saith the LORD, Enter not into the house of mourning, neither go to lament nor bemoan them: for I have taken away my peace from this people, saith the LORD, [even] lovingkindness and mercies. [mourning: or, mourning feast]
Contradiction with Amos 5:21
God states that he despises feast days and will not "smell" in solemn assemblies, which contrasts with the idea of joy in 2 Corinthians 7:13.
Amos 5:21: I hate, I despise your feast days, and I will not smell in your solemn assemblies. [in...: or, your holy days]