Luke
Acts 24:27ESV·traditional attribution

When two years had elapsed, Felix was succeeded by Porcius Festus. And desiring to do the Jews a favor, Felix left Paul in prison.

John Calvin Reformed @genevareformer

27. And when two years were expired. Seeing Paul knew that the judge who did gape for gain would be favorable to him so soon as he should offer him money, and seeing he had sufficient time to gather the same; it is likely that he did not only bear with the brethren, “Pepercisse fratribus,” spare the brethren.

Matthew Henry Presbyterian @wholebiblehenry

We have here the result of Paul's trial before Felix, and what was the consequence of it. I. Felix adjourned the cause, and took further time to consider of it (Act 24:22): He had a more perfect knowledge of that way which the Jews called heresy than the high priest and the elders thought he had.

Commenting on Acts 24:22-27

Albert Barnes Presbyterian @notesbybarnes

Verse 27. But after two years. Paul was unjustly detained during all this time. The hope of Felix seems to have been to weary his patience, and induce him to purchase his freedom. Came into Felix' room. As governor. And Felix, willing to shew the Jews a pleasure. Desirous of pleasing them, even at the expense of justice. This shows the principle on which he acted. Left Paul bound.