Mark 13:34 For the Son of man is as a man taking a far journey, who left his house, and gave authority to his servants, and to every man his work, and commanded the porter to watch.
The Son of man, Jesus used this name. It is found eighty-eight times in the new testament. He has taken a far journey, to be at the right hand of the Father, God almighty. He has given authority to his servants.
Luke 22:25 And he said unto them, The kings of the Gentiles exercise lordship over them; and they that exercise authority upon them are called benefactors.
Luke 22:26 But ye shall not be so: but he that is greatest among you, let him be as the younger; and he that is chief, as he that doth serve.
...and to every man his work.
Eph 2:10 For we are his workmanship, created in Christ Jesus unto good works, which God hath before ordained that we should walk in them.
Eph 4:11 And he gave some, apostles; and some, prophets; and some, evangelists; and some, pastors and teachers;
Eph 4:12 For the perfecting of the saints, for the work of the ministry, for the edifying of the body of Christ:
He commanded the porter to watch. The porter kept the gate of the sheep.
John 10:2 But he that entereth in by the door is the shepherd of the sheep.
John 10:3 To him the porter openeth; and the sheep hear his voice: and he calleth his own sheep by name, and leadeth them out.
The porter is the Holy Spirit.
Mark 13:35 Watch ye therefore: for ye know not when the master of the house cometh, at even, or at midnight, or at the cockcrowing, or in the morning:
watch and be prepared
Mark 13:36 Lest coming suddenly he find you sleeping.
Sleeping, when you were supposed to be serving him. Spiritually asleep, the mind on something else perhaps seeking entertainment?
Mark 13:37 And what I say unto you I say unto all, Watch.
Mat 26:40 And he cometh unto the disciples, and findeth them asleep, and saith unto Peter, What, could ye not watch with me one hour?
Mat 26:41 Watch and pray, that ye enter not into temptation: the spirit indeed is willing, but the flesh is weak.