How do we know prayer is crucial in the Great Harvest?

Prayer holds a primary place in the work of the Gospel, affirming God as the Lord of the harvest. Jesus instructs His disciples to pray for laborers to be sent into the harvest field, illustrating that effective Gospel work begins with earnest prayer. This act acknowledges God's sovereignty, as He is the one who orchestrates the timing and place of the harvest. Moreover, the act of praying is a recognition that it is ultimately God who gives the increase, as affirmed in 1 Corinthians 3:6-7, where Paul states, 'I planted, Apollos watered, but God gave the increase.' Thus, prayer serves as the foundation for fruitful ministry and evangelism.