Hebrews 12:18-20

18You have not come to a physical mountain, to a place of flaming fire, darkness, gloom, and whirlwind, as the Israelites did at Mount Sinai.

19For they heard an awesome trumpet blast and a voice so terrible that they begged God to stop speaking.

20They staggered back under God’s command: “If even an animal touches the mountain, it must be stoned to death.”