Mark 13:37

And what I say to you, I say to all, Keep watch.

Mark 13:35

So you are to keep watch: because you are not certain when the master of the house is coming, in the evening, or in the middle of the night, or at the cock's cry, or in the morning;

Mark 13:33

Take care, keep watch with prayer: for you are not certain when the time will be.

Luke 12:41-46

And Peter said to him, Lord, are these words said to us only, or to all men?

Treasury of Scripture Knowledge

Summary

And what I say unto you I say unto all, Watch.

General references

Bible References

General references

Matthew 25:13
Keep watch, then, because you are not certain of the day or of the hour.
Mark 13:33
Take care, keep watch with prayer: for you are not certain when the time will be.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain