In context
38So let it be known to you, brothers, that through him forgiveness of sins is proclaimed to you; 39and everyone who believes is set right through him in every matter in which the law of Moses could not set you right. 40See to it, then, that what the prophets said does not come upon you: 41‘Look, you scoffers, be amazed and perish; for in your days I am doing a work, a work you would never believe if someone told you of it.’” 42As they were leaving, the people begged them to speak about these things again on the following Sabbath.
