Rejoice on that day and leap for joy, for your reward in heaven is great [absolutely inexhaustible]; for their fathers used to treat the prophets in the same way.

But love [that is, unselfishly seek the best or higher good for] your enemies, and do good, and lend, expecting nothing in return; for your reward will be great (rich, abundant), and you will be sons of the Most High; because He Himself is kind and gracious and good to the ungrateful and the wicked.

He was saying to them, “The harvest is abundant [for there are many who need to hear the good news about salvation], but the workers [those available to proclaim the message of salvation] are few. Therefore, [prayerfully] ask the Lord of the harvest to send out workers into His harvest.