Reference for Zechariah 2:1

וָאֶשָּׂ֥א אֶת־עֵינַ֖י וָאֵ֑רֶא וְהִנֵּ֖ה אַרְבַּ֥ע קְרָנֽוֹת׃

And I lifted up mine eyes, and saw, and behold four horns.

BDB