Acts chapter 18

vs 10

This is a very similar message that Elijah receives from God. We can sometimes be surprised at the number of people who are Christian. Paul obviously found comfort both in the idea that his ministry was showing fruit, and also that he wasn't going to cop violence from staying in Corinth.

vs 11

That's a fair amount of time. We're not told how long Paul stayed in the other places for. But Corinth, we can understand, absorbed a fair whack of time. Lots of people, big city, and probably quite a few problems getting people to act counter-culturally too.

vs 12

God's promise was against harm. Not against opposition. And the Jews were opposed for sure.

vs 13

The roman law, is what you would assume. Of course, Jews worshiped God outside accordance with Roman law - but they had a special privilege to do so - and you can see why, because they bitch and riot and get violent every time there's a problem.

vs 14

He's the proconsol, so listening to complaints about crimes is his job. So of course it would be reasonable.

vs 15

So it wasn't roman law! At least, the proconsul didn't see it that way. It is entirely possible that he saw Christianity as just a branch of Judaism, and therefore covered by Roman law, and therefore out of his jurisdiction. If only Western judges would make similar decisions :P

vs 16

Not literally.

vs 17

So apparently while the Romans did value law and order, people beating each other up over internal religious squabblings was not a big concern. Not for Gallio anyway.

vs 18

We already knew Paul stayed in Corinth for a year and a half. Is this 'some time' after that?

Back to Syria, like he's heading back towards Antioch. And he's recruited two more people, Priscilla and Aquila!

Vow? What vow? We don't know. FF Bruce thinks that the cutting of the hair actually marks the end of the vow, like some sort of Nazerite vow.