'Four' in the Bible

I lifted up my eyes, and saw, and behold, four horns.

Yahweh showed me four craftsmen.

Come! Come! Flee from the land of the north,' says Yahweh; 'for I have spread you abroad as the four winds of the sky,' says Yahweh.

Again I lifted up my eyes, and saw, and behold, four chariots came out from between two mountains; and the mountains were mountains of brass.

The angel answered me, "These are the four winds of the sky, which go forth from standing before the Lord of all the earth.