Contradiction with Proverbs 17:22
While Isaiah 23:2 calls for silence, Proverbs 17:22 suggests that a merry heart (often expressed with joyful noise) does good like medicine.
Proverbs 17:22: A merry heart doeth good [like] a medicine: but a broken spirit drieth the bones. [like: or, to]
Contradiction with Ecclesiastes 3:7
This verse states there is a time to keep silence, and a time to speak, implying that silence is not always necessary as Isaiah 23:2 suggests.
Ecclesiastes 3:7: A time to rend, and a time to sew; a time to keep silence, and a time to speak;
Contradiction with Psalm 100:1
This verse encourages making a joyful noise unto the Lord, which contradicts the call for silence in Isaiah 23:2.
Psalm 100:1: [A Psalm of praise.] Make a joyful noise unto the LORD, all ye lands. [praise: or, thanksgiving] [all...: Heb. all the earth]
Contradiction with Acts 16:25
Paul and Silas prayed and sang praises aloud at midnight, contrasting the call for silence in Isaiah 23:2.
Acts 16:25: And at midnight Paul and Silas prayed, and sang praises unto God: and the prisoners heard them.
Contradiction with Proverbs 15:23
Suggests that a man finds joy in an apt reply, indicating that speaking at the right time is valuable, which contradicts enforced silence.
Proverbs 15:23: A man hath joy by the answer of his mouth: and a word [spoken] in due season, how good [is it]! [due...: Heb. his season]
Contradiction with Luke 19:40
Jesus states that if his followers keep silent, the stones will cry out, opposite to the silence in Isaiah 23:2.
Luke 19:40: And he answered and said unto them, I tell you that, if these should hold their peace, the stones would immediately cry out.