'Watch' in the Bible

And seeing that they had trouble in getting their boat through the water, because the wind was against them, about the fourth watch of the night he came to them, walking on the sea; and he would have gone past them;

And he said to them, Take care to be on the watch against the leaven of the Pharisees and the leaven of Herod.

And in his teaching he said, Be on your watch against the scribes, whose pleasure it is to go about in long robes and be respected in the market-places,

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

It is as when a man who is in another country for a time, having gone away from his house, and given authority to his servants and to everyone his work, gives the porter an order to keep watch.

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;

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

And he said to them, My soul is very sad, even to death: be here a little time, and keep watch.

And he came, and saw them sleeping, and said to Peter, Simon, are you sleeping? were you not able to keep watch one hour?

Keep watch with prayer, so that you may not be put to the test; the spirit truly is ready, but the flesh is feeble.