Sabbath violation!! Oh Judah!!!
Your violated sabbath years are going to be equal to your years of captivity...

In the first 13 verses of chapter 17, we saw the 5 follies of Judah which deepened her sins. In the remaining verses we shall see the below:
1. The fatal consequences of the idolatry of the Jews. (1-4)
2. The folly of trusting in man (5-8)
3. The folly of trusting one’s own heart (9,10)
4. The folly of trusting in riches (11)
5. The folly of failing to trust in the God of all glory. (12-13)
6. The malice of the prophet's enemies. (14-18)
7. The observance of the sabbath. (19-27)

Do not miss the Jeremiah English Bible Study series found in the below link: https://www.youtube.com/playlist?list=PLtSgyStNDdpCAaTHGl8aUYr2na4sBiKP7