Having urged the readers of his first letter to “love one another earnestly from a pure heart,” Peter went on to explain what such brotherly love would entail. Alistair Begg unpacks the apostle’s instructions, which clarify that fellowship demands action. In their new life together, Christians must be prepared to feed themselves on God’s Word, establish themselves on the foundation of union with Christ, and stand as witnesses to God’s goodness and glory before a watching world.