'Four' in the Bible

Then I looked up and saw four horns.

Then the Lord showed me four craftsmen.

“Get up! Leave the land of the north”—this is the Lord’s declaration—“for I have scattered you like the four winds of heaven”—this is the Lord’s declaration.

Then I looked up again and saw four chariots coming from between two mountains. And the mountains were made of bronze.

The angel told me, “These are the four spirits of heaven going out after presenting themselves to the Lord of the whole earth.