Luke
Acts 16:27BSB·traditional attribution

When the jailer woke up and saw the prison doors open, he drew his sword and was about to kill himself, presuming that the prisoners had escaped.

John Calvin Reformed @genevareformer

27. When the keeper of the prison was awaked. He would have slain himself that he might prevent punishment; for it had been a foolish answer to have said that the doors were opened of their own accord. But this question may be asked, Seeing that Paul seeth that they might have some hope to escape if he should slay himself, why doth he hinder him?

Matthew Henry Presbyterian @wholebiblehenry

We have here the designs of the persecutors of Paul and Silas baffled and broken. I. The persecutors designed to dishearten and discourage the preachers of the gospel, and to make them sick of the cause and weary of their work; but here we find them both hearty and heartened. 1.

Commenting on Acts 16:25-34

John Gill Reformed Baptist @doctorgill

And the keeper of the prison awaking out of his sleep,.... Not so much by the loud voices of Paul and Silas, as by the uncommon motion of the earth, which so shook him, as thoroughly to awake him: and seeing the prison doors open; which was the first thing in his fright he was looking after, and careful of, and which he might perceive...