'Take 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;