Commentaries:
Jamieson, Fausset, and Brown
For the Son of man is as a man taking a far journey, etc.—The idea thus far is similar to that in the opening part of the parable of the talents (Matthew 25:14-15).
and commanded the porter—the gatekeeper.
to watch—pointing to the official duty of the ministers of religion to give warning of approaching danger to the people.
Other Jamieson, Fausset, and Brown entries containing Mark 13:34:
Daniel 7:12
Daniel 12:4
Matthew 25:14
Mark 13:31
Hebrews 13:17
Revelation 22:10
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