Today’s devotion comes from Exodus 19:10-25.
“The Lord also said to Moses, “Go to the people and consecrate them today and tomorrow, and let them wash their garments; and let them be ready for the third day, for on the third day the Lord will come down on Mount Sinai in the sight of all the people. You shall set bounds for the people all around, saying, ‘Beware that you do not go up on the mountain or touch the border of it; whoever touches the mountain shall surely be put to death. No hand shall touch him, but he shall surely be stoned or shot through; whether beast or man, he shall not live.’ When the ram’s horn sounds a long blast, they shall come up to the mountain.” So Moses went down from the mountain to the people and consecrated the people, and they washed their garments. He said to the people, “Be ready for the third day; do not go near a woman.”
So it came about on the third day, when it was morning, that there were thunder and lightning flashes and a thick cloud upon the mountain and a very loud trumpet sound, so that all the people who were in the camp trembled. And Moses brought the people out of the camp to meet God, and they stood at the foot of the mountain.
Now Mount Sinai was all in smoke because the Lord descended upon it in fire; and its smoke ascended like the smoke of a furnace, and the whole mountain quaked violently. When the sound of the trumpet grew louder and louder, Moses spoke and God answered him with thunder. The Lord came down on Mount Sinai, to the top of the mountain; and the Lord called Moses to the top of the mountain, and Moses went up. Then the Lord spoke to Moses, “Go down, warn the people, so that they do not break through to the Lord to gaze, and many of them perish. Also let the priests who come near to the Lord consecrate themselves, or else the Lord will break out against them.” Moses said to the Lord, “The people cannot come up to Mount Sinai, for You warned us, saying, ‘Set bounds about the mountain and consecrate it.’” Then the Lord said to him, “Go down and come up again, you and Aaron with you; but do not let the priests and the people break through to come up to the Lord, or He will break forth upon them.” So Moses went down to the people and told them.” Exodus 19:10-25.
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“For you have not come to a mountain that can be touched and to a blazing fire, and to darkness and gloom and whirlwind, and to the blast of a trumpet and the sound of words which sound was such that those who heard begged that no further word be spoken to them. For they could not bear the command, “If even a beast touches the mountain, it will be stoned.” And so terrible was the sight, that Moses said, “I am full of fear and trembling.” But you have come to Mount Zion and to the city of the living God, the heavenly Jerusalem, and to myriads of angels, to the general assembly and church of the firstborn who are enrolled in heaven, and to God, the Judge of all, and to the spirits of the righteous made perfect, and to Jesus, the mediator of a new covenant, and to the sprinkled blood, which speaks better than the blood of Abel.
See to it that you do not refuse Him who is speaking. For if those did not escape when they refused him who warned them on earth, much less will we escape who turn away from Him who warns from heaven. And His voice shook the earth then, but now He has promised, saying, “Yet once more I will shake not only the earth, but also the heaven.” This expression, “Yet once more,” denotes the removing of those things which can be shaken, as of created things, so that those things which cannot be shaken may remain. Therefore, since we receive a kingdom which cannot be shaken, let us show gratitude, by which we may offer to God an acceptable service with reverence and awe; for our God is a consuming fire.” Hebrews 12:18-29.
Reformed Doctrine Daily Devotions 