Why is the boldness of Peter and John significant for Christians?

Peter and John's boldness in Acts 4 is profoundly significant as it exemplifies the transformative impact of the Holy Spirit in believers' lives. After spending time with Jesus, even though they were perceived as unlearned and ignorant, their courage to proclaim the gospel in the face of opposition demonstrates that true education and wisdom come from being taught by Christ and being filled with the Holy Spirit. This boldness inspires Christians today to speak the truth of Christ's authority and resurrection fearlessly, knowing they too have the same Holy Spirit empowering them. It calls believers to remain unwavering in their witness, even when faced with threats or societal pressure to remain silent about their faith.