12 `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;
Exodus 19:12 Cross References - YLT
Exodus 10:28
28 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;'
Exodus 19:21
21 And Jehovah saith unto Moses, `Go down, protest to the people, lest they break through unto Jehovah to see, and many of them have fallen;
Exodus 19:23
23 And Moses saith unto Jehovah, `The people is unable to come up unto mount Sinai, for Thou—Thou hast protested to us, saying, Make a border for the mount, then thou hast sanctified it.'
Exodus 34:12
12 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;
Deuteronomy 2:4
4 `And the people command thou, saying, Ye are passing over into the border of your brethren, sons of Esau, who are dwelling in Seir, and they are afraid of you; and ye have been very watchful,
Deuteronomy 4:9
9 `Only, take heed to thyself, and watch thy soul exceedingly, lest thou forget the things which thine eyes have seen, and lest they turn aside from thy heart, all days of thy life; and thou hast made them known to thy sons, and to thy sons' sons.
Joshua 3:4
4 only, a distance is between you and it, about two thousand cubits by measure; ye do not come near unto it, so that ye know the way in which ye go, for ye have not passed over in the way heretofore.'