Mark

In the Gospel of Mark, the Lord Jesus is presented as God's servant in testimony, in His holy mission of service of love. At the close of it, when ascended and in glory, it is said, even then, "the Lord working with" His servants whom He had left to carry on His heavenly mission here below. He is still the worker as gone up.
In chapter 13 you find Him as one who has gone away, and gave to "every man his work, and commanded the porter to watch." Then He comes back to see if each is at his post of service and watching, whether at even, or at midnight, or at the cockcrowing, or in the morning. Thus is the Lord's coming presented in keeping with the gospel of His service-His own work, or that of His servants. He comes back to see if each servant is at his post.
Here let me say to you that it is a very solemn thing for every soul to inquire, Am I filling up the little niche of service that He has given me? There are not only great gifts, but joints and bands, and the body of Christ is said to increase by the joints and bands, every joint supplying that which belongs to itself in the mutual and effectual working of the measure of each one part.
It is a great thing if each has found out his own path of service for the Lord. It may be by earnest prayer in one, by the use of his temporal means in another, of the spiritual gifts in a third. In one way or another, He has given us something to do for Him, and He is coming back to ascertain how each is discharging the duty given him, and "at an hour ye think not.”
Therefore, after giving to each his work, and commanding the porter to watch, He says, "What I say unto you I say unto all, Watch.”