Exodus 20:22

And the LORD said to Moses, "Thus you shall say to the people of Israel: 'You have seen for yourselves that I have talked with you from heaven.

Nehemiah 9:13

You came down on Mount Sinai and spoke with them from heaven and gave them right rules and true laws, good statutes and commandments,

Deuteronomy 4:36

Out of heaven he let you hear his voice, that he might discipline you. And on earth he let you see his great fire, and you heard his words out of the midst of the fire.

Hebrews 12:25-26

See that you do not refuse him who is speaking. For if they did not escape when they refused him who warned them on earth, much less will we escape if we reject him who warns from heaven.

Treasury of Scripture Knowledge

Summary

And the LORD said unto Moses, Thus thou shalt say unto the children of Israel, Ye have seen that I have talked with you from heaven.

Bible References

I have talked

Deuteronomy 4:36
Out of heaven he let you hear his voice, that he might discipline you. And on earth he let you see his great fire, and you heard his words out of the midst of the fire.
Nehemiah 9:13
You came down on Mount Sinai and spoke with them from heaven and gave them right rules and true laws, good statutes and commandments,
Hebrews 12:25
See that you do not refuse him who is speaking. For if they did not escape when they refused him who warned them on earth, much less will we escape if we reject him who warns from heaven.

General references

Genesis 17:22
When he had finished talking with him, God went up from Abraham.
Deuteronomy 4:36
Out of heaven he let you hear his voice, that he might discipline you. And on earth he let you see his great fire, and you heard his words out of the midst of the fire.
Deuteronomy 5:4
The LORD spoke with you face to face at the mountain, out of the midst of the fire,

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.