'Take Heed' in the Bible

Take heed to your alms, that ye give it not in the sight of men, to the intent that ye would be seen of them: or else ye get no reward of your father which is in heaven.

Then Jesus said unto them, "Take heed, and beware of the leaven of the Pharisees, and of the Sadducees."

And Jesus answered, and said unto them, "Take heed that no man deceive you;

Take heed: I have told you before.

Then came he to his disciples and said unto them, "Sleep henceforth, and take your rest. Take heed: the hour is at hand, and the son of man shall be betrayed into the hands of sinners.