Reference for Isaiah 48:3

הָרִֽאשֹׁנוֹת֙ מֵאָ֣ז הִגַּ֔דְתִּי וּמִפִּ֥י יָצְא֖וּ וְאַשְׁמִיעֵ֑ם פִּתְאֹ֥ם עָשִׂ֖יתִי וַתָּבֹֽאנָה׃

I have declared the former things from of old; Yea, they went forth out of My mouth, and I announced them; Suddenly I did them, and they came to pass.