His disciples remembered that it is written, "Zeal for your house will consume me."

And [while] they were serving the Lord and fasting, the Holy Spirit said, "Set apart now for me Barnabas and Saul for the work to which I have called them."

and stayed three months. [Because] a plot was made against him by the Jews [as he] was about to set sail for Syria, he came to a decision to return through Macedonia.

For I testify about them that they have a zeal for God, but not according to knowledge.

and not only by his coming, but also by the comfort [with] which he was comforted among you, [because he] reported to us your longing, your mourning, your zeal for me, so that I rejoiced even more.