When God descended to Mount Sinai, it was a foreglimpse of Jesus Christ descending at His Second Coming.

Exodus 19:9 (NIV) The LORD said to Moses, "I am going to come to you in a dense cloud, so that the people will hear me speaking with you and will always put their trust in you." Then Moses told the LORD what the people had said.

Exodus 19:16 (NIV) On the morning of the third day there was thunder and lightning, with a thick cloud over the mountain, and a very loud trumpet blast. Everyone in the camp trembled.

Psalms 18:9 (NIV) He parted the heavens and came down; dark clouds were under his feet.

Psalms 97:2 (NIV) Clouds and thick darkness surround him; righteousness and justice are the foundation of his throne.

Daniel 7:13 (NIV) "In my vision at night I looked, and there before me was one like a son of man, coming with the clouds of heaven. He approached the Ancient of Days and was led into his presence.

Matthew 24:30 (NIV) "At that time the sign of the Son of Man will appear in the sky, and all the nations of the earth will mourn. They will see the Son of Man coming on the clouds of the sky, with power and great glory.

Matthew 26:64 (NIV) "Yes, it is as you say," Jesus replied. "But I say to all of you: In the future you will see the Son of Man sitting at the right hand of the Mighty One and coming on the clouds of heaven."

Mark 13:26 (NIV) "At that time men will see the Son of Man coming in clouds with great power and glory.

Mark 14:62 (NIV) "I am," said Jesus. "And you will see the Son of Man sitting at the right hand of the Mighty One and coming on the clouds of heaven."

Luke 21:27 (NIV) At that time they will see the Son of Man coming in a cloud with power and great glory.

Acts 1:9-11 (NIV) After he said this, he was taken up before their very eyes, and a cloud hid him from their sight. 10 They were looking intently up into the sky as he was going, when suddenly two men dressed in white stood beside them. 11 "Men of Galilee," they said, "why do you stand here looking into the sky? This same Jesus, who has been taken from you into heaven, will come back in the same way you have seen him go into heaven."

Revelation 1:7 (NIV) Look, he is coming with the clouds, and every eye will see him, even those who pierced him; and all the peoples of the earth will mourn because of him. So shall it be! Amen.