For in this the saying is true, 'One sows, and another reaps.'
      2. See here how Christ, having expressed his delight in his work, excites his disciples to diligence in their work; they were workers with him, and therefore should be workers like him, and make their work their meat, as he did. The work they had to do was to preach the gospel, and to set up the kingdom of the Messiah. Now this work he here compares to harvest work, the gathering in of the fruits of the earth; and this similitude he prosecutes throughout the discourse, John 4:35-38; John 4:35-38. Note, gospel time is harvest time, and gospel work harvest work. The harvest is before appointed and expected; so was the gospel. Harvest time is busy time; all hands must be then at work: every one must work for himself, that he may reap of the graces and comforts of the gospel: ministers must work for God, to gather in souls to him. Harvest time is opportunity, a short and limited time, which will not last always; and harvest work is work that must be done then or not at all; so the time of the enjoyment of the gospel is a particular season, which must be improved for its proper purposes; for, once past, it cannot be recalled. The disciples were to gather in a harvest of souls for Christ. Now he here suggests three things to them to quicken them to diligence:--