'Thing' in the Bible

But this is the thing which was said by the prophet Joel;

And so, being lifted up to the right hand of God, and having the Father's word that the Holy Spirit would come, he has sent this thing, which now you see and have knowledge of.

See, you doubters, have wonder and come to your end; for I will do a thing in your days to which you will not give belief, even if it is made clear to you.

And some said one thing, and some another: for there was no order in the meeting; and most of them had no idea why they had come together.

And some said one thing and some another, among the people: and as he was not able to get a knowledge of the facts because of the noise, he gave orders for Paul to be taken into the army building.

But only this one thing which I said among them in a loud voice, I am this day being judged on the question of the coming back from the dead.

And they went away, for there was a division among them after Paul had said this one thing: Well did the Holy Spirit say by the prophet Isaiah to your fathers,