Acts 3-4
Healing the beggar
Defending their actions
Peter is insisting that if his hearers want to know why and how the cripple has been healed, they should think first of the Exodus (God freeing those who had been enslaved), second of Isaiah (God's servant bearing the sins and infirmities of his people), and finally of Jesus in the middle of both those stories, making them come true in a new way.
Trouble
Remarkably, the Sanhedrin admitted that an obvious sign had been done through them (the apostles), and yet rather than repent and believe, they focused on damage control among the people. They sought to halt the spread of Christianity at all costs, so they ordered the apostles not to speak or teach any more about Jesus. It seems they wished to guard their status as religious authorities even at the expense of obvious truth.
For we are not able to refrain from speaking about the things that we have seen and heard