George Matheson emphasizes the distinct types of boldness exhibited by Peter and John, both of whom derived their courage from their time with Jesus. While Peter's boldness is characterized by action and decisiveness, John's boldness is marked by patience and endurance. Matheson illustrates that Christ equips individuals with different forms of courage to meet the diverse challenges of life, highlighting that both action and waiting are essential in the kingdom of God. He concludes that both types of courage are necessary, as life presents moments for both active engagement and patient endurance.