Acts 2:37-38

Now when they heard this, they were cut to the heart, and said unto Peter and the rest of the apostles, Men and brethren, what shall we do?

Acts 17:19-20

So they took him and led him to the hill of Mars, saying, May we know what this novel doctrine taught by thee is?

Acts 17:30-32

These times indeed of ignorance God then overlooked; but he now commands all men in every place to repent:

Treasury of Scripture Knowledge

Summary

The watchman said, The morning cometh, and also the night: if ye will inquire, inquire ye: return, come.

Bible References

If

Acts 2:37
Now when they heard this, they were cut to the heart, and said unto Peter and the rest of the apostles, Men and brethren, what shall we do?
Acts 17:19
So they took him and led him to the hill of Mars, saying, May we know what this novel doctrine taught by thee is?