Peter is reflecting on a transformative experience where he, along with other disciples, heard the voice of God while on a sacred mountain with Jesus. This event is often associated with the Transfiguration, where Jesus' divine nature was revealed to Peter, James, and John. Hearing God's voice affirmed Jesus' identity as the beloved Son, chosen by God. This moment was not just a personal revelation but a confirmation of Jesus' divine mission, providing a solid foundation for the apostles' teachings.
The sacred mountain experience serves as a reminder of the reality of divine encounters and the importance of listening to God's voice. It emphasizes the authenticity of the apostles' witness, as they did not rely on cleverly devised stories but on direct experiences with the divine. For believers, this passage encourages trust in the apostolic message and highlights the significance of spiritual experiences that affirm faith. It invites Christians to be open to moments of divine revelation that can deepen their understanding and commitment to their faith journey.