Exodus 20:22

Jehovah commanded Moses to tell the Israelites: You have seen how I have spoken to you from heaven.

Nehemiah 9:13

You came down on Mount Sinai, and your voice came to them from heaven, giving them right decisions and true laws, good rules and orders.

Deuteronomy 4:36

He made you hear his voice out of heaven. That way he could instruct (teach) (correct) (discipline) you. He showed you his great fire on the earth. You heard his words from the middle of the fire.

Hebrews 12:25-26

Be careful, then, and do not refuse to hear him who speaks. Those who refused to hear the one who gave the divine message on earth did not escape. How much less shall we escape then, if we turn away from the one who speaks 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
He made you hear his voice out of heaven. That way he could instruct (teach) (correct) (discipline) you. He showed you his great fire on the earth. You heard his words from the middle of the fire.
Nehemiah 9:13
You came down on Mount Sinai, and your voice came to them from heaven, giving them right decisions and true laws, good rules and orders.
Hebrews 12:25
Be careful, then, and do not refuse to hear him who speaks. Those who refused to hear the one who gave the divine message on earth did not escape. How much less shall we escape then, if we turn away from the one who speaks from heaven!

General references

Genesis 17:22
When he finished speaking with Abraham, God went up from him.
Deuteronomy 4:36
He made you hear his voice out of heaven. That way he could instruct (teach) (correct) (discipline) you. He showed you his great fire on the earth. You heard his words from the middle of the fire.
Deuteronomy 5:4
Jehovah talked with you face to face on the mountain out of the middle of the fire,