'Heed' in the Bible

take heed, then, lest the light that is in thee be darkness;

At which time the myriads of the multitude having been gathered together, so as to tread upon one another, he began to say unto his disciples, first, 'Take heed to yourselves of the leaven of the Pharisees, which is hypocrisy;

'Take heed to yourselves, and, if thy brother may sin in regard to thee, rebuke him, and if he may reform, forgive him,

'Take heed of the scribes, who are wishing to walk in long robes, and are loving salutations in the markets, and first seats in the synagogues, and first couches in the suppers,

'And take heed to yourselves, lest your hearts may be weighed down with surfeiting, and drunkenness, and anxieties of life, and suddenly that day may come on you,