'Take Heed' in the Bible

Take heed that ye do not your alms before men, to be seen of them: otherwise ye have no reward of your Father which is in heaven.

'But, take heed of the false prophets, who come unto you in sheep's clothing, and inwardly are ravening wolves.

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

how do ye not understand that I did not speak to you of bread -- to take heed of the leaven of the Pharisees and Sadducees?'

Then they understood that he did not say to take heed of the leaven of the bread, but of the teaching, of the Pharisees and Sadducees.

Take heed that ye despise not one of these little ones; for I say unto you, That in heaven their angels do always behold the face of my Father which is in heaven.

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.