“Abraham lifted his eyes and saw that behold, there was a ram, after it had been entangled in the thicket by its horns” (Genesis 22:13), this teaches that the Holy One blessed be He showed Abraham our patriarch the ram freeing itself from one thicket and becoming entangled in another thicket. The Holy One blessed be He said to Abraham: ‘Thus your descendants are destined to be caught in iniquities and entangled in troubles and ultimately, be redeemed with the horns of a ram.’
That is what is written: “The Lord God will sound the shofar” (Zechariah 9:14). Rabbi Huna ben Rabbi Yitzḥak said: It teaches that the Holy One blessed be He showed Abraham our patriarch the ram freeing itself from one thicket and becoming entangled in another thicket. The Holy One blessed be He said to Abraham: ‘Thus your descendants are destined to be caught among the nations, entangled in troubles, and drawn from kingdom to kingdom: From Babylon to Media, from Media to Greece and from Greece to Edom.
They will ultimately be redeemed by the horns of a ram.’ That is what is written: “The Lord will appear over them, and His arrow will emerge like lightning; and the Lord God will sound the shofar” (Zechariah 9:14). Rabbi Abba son of Rav Pappi and Rabbi Yehoshua of Sikhnin said in the name of Rabbi Levi: All the days of the year, Israel is engaged in their labor and on Rosh HaShana they take their shofars and sound them before the Holy One blessed be He.
He rises from the throne of justice to the throne of mercy and becomes filled with mercy for them. When? In the seventh month.