Jackie Pullinger emphasizes the urgent call of Jesus to quench the thirst of a dying world, highlighting the need for believers to share the living water of the Gospel with those in desperate need. She recounts her experiences in Hong Kong, where she has dedicated her life to reaching the marginalized, including the homeless and drug addicts, demonstrating that true ministry involves both spiritual and physical care. Pullinger encourages the church to respond to the call to 'come and go,' inviting others to the feast of salvation while actively serving the needy. She reminds us that the harvest is plentiful, and we must be compelled by Christ's love to reach out to the lost, as the last ingathering of souls approaches. Ultimately, she calls for a collective effort to bring the Kingdom of God to earth, emphasizing that everyone has a role in this mission.