Jeremiah 14:14

Divination - i. e., “conjuring,” the abuse of the less understood powers of nature. It was strictly forbidden to all Jews Deuteronomy 18:10.

A thing of nought - Probably a small idol made of the more precious metals Isaiah 2:20. These methods the prophet declares to be the “deceit of their heart, i. e., not self-deceit, but a willful and intentional fraud.