the master of that slave will come on a day that he does not expect and in an hour that he does not know,

Some of those who were once members of the “slave” class would lose their joy of anticipation and would tire of waiting for the Master’s coming.

In these “last days” there are some of such who constitute a class that, according to their conduct, do not recognize the invisible presence of Christ and do not discern and acknowledge that the time is at hand for his coming to destroy the world system of things.