'Take Heed' in the Bible

Take heed your kindness not to do before men, to be seen by them, and if not -- reward ye have not from your Father who is in the heavens;

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

and Jesus said to them, 'Beware, and take heed of the leaven of the Pharisees and 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.

And Jesus answering said to them, 'Take heed that no one may lead you astray,