'Watch' in the Bible

for Herod was fearing John, knowing him a man righteous and holy, and was keeping watch over him, and having heard him, was doing many things, and hearing him gladly.

And he saw them toiling in rowing; for the wind was contrary unto them: and about the fourth watch of the night he cometh unto them, walking upon the sea, and would have passed by them.

Then He commanded them: “Watch out! Beware of the yeast of the Pharisees and the yeast of Herod.”

In his teaching Jesus also said, "Watch out for the experts in the law. They like walking around in long robes and elaborate greetings in the marketplaces,

Then Jesus began by telling them: “Watch out that no one deceives you.

"You must watch out for yourselves. You will be handed over to councils and beaten in the synagogues. You will stand before governors and kings because of me, as a witness to them.

And you must watch! I have told you everything in advance.

Take ye heed, watch and pray: for ye know not when the time is.

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.

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:

[stay alert,] in case he should come suddenly and unexpectedly and find you asleep and unprepared.

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

And saith unto them, My soul is exceeding sorrowful unto death: tarry ye here, and watch.

And he cometh, and findeth them sleeping, and saith unto Peter, Simon, sleepest thou? couldest not thou watch one hour?

Watch ye and pray, lest ye enter into temptation. The spirit truly is ready, but the flesh is weak.