'Heed' in the Bible

and Pharaoh saith to him, 'Go from me, take heed to thyself, add not to see my face, for in the day thou seest my face thou diest;'

And thou hast made a border for the people round about, saying, Take heed to yourselves, going up into the mount, or coming against its extremity; whoever is coming against the mount is certainly put to death;

and in all that which I have said unto you ye do take heed; and the name of other gods ye do not mention; it is not heard on thy mouth.

take heed to thyself, lest thou make a covenant with the inhabitant of the land into which thou art going, lest it become a snare in thy midst;