As I thought to punish you - (Literally, to do evil to you) “and repented not.” In like way God says in Jeremiah, “I have purposed and will not repent.” Jeremiah 4:28.
Related Commentaries of Zechariah 8:14
Zechariah 8:14
14 For thus saith the LORD of hosts; As I thought to punish you, when your fathers provoked me to wrath, saith the LORD of hosts, and I repented not: