Martin Luther wrote two commentaries on Zechariah. In the first of them, chapter 14 is passed over without a mention. In the second, he said, 'In this chapter I surrender, for I am not certain of what the prophet treats.'
- John L Mackay, in his introduction to the Zechariah section of his Haggai, Zechariah, Malachi CFP commentary. Zechariah 9-14 is notoriously obscure, apparently.