But we are talking about all things which are written being fulfilled.
Yes…… when Jesus said that the old testement was all that had been written

context is important the New Testament hadn’t been written or even preached thoroughly yet whenjesus said that did you notice when he first said “ only preach the gospel to osrael
Not to gentiles ?
Then after they rejected him he said preach the gospel to all people baotize then all ?
the Old Testament is written through and to exclusively isreel and Jerusalem is important and a main theme of prophecy because of the temple and thier inheritance
Thier covenant was waiting for this
“Therefore the Lord himself shall give you a sign;
Behold, a virgin shall conceive, and bear a son, and shall call his name Immanuel.”
Isaiah 7:14
“For unto us a child is born, unto us a son is given: and the government shall be upon his shoulder: and his name shall be called Wonderful, Counsellor, The mighty God, The everlasting Father, The Prince of Peace. Of the increase of his government and peace there shall be no end, upon the throne of David, and upon his kingdom, to order it, and to establish it with judgment and with justice from henceforth even for ever. The zeal of the LORD of hosts will perform this. The Lord sent a word into Jacob, and it hath lighted upon Israel.”
Isaiah 9:6-8 KJV
they heard about the arrival of Jesus for hundreds of years beforehand we have heard about the return of Jesus for hundreds of years now
There are two testaments one focuses on israel the other on the earth
aim 70 ad Jerusalem was utterly destroyed burned and broken the temple stripped and leveled for its gold in the end the world is going to suffer this same fate
“But the day of the Lord will come as a thief in the night; in the which the heavens shall pass away with a great noise, and the elements shall melt with fervent heat, the earth also and the works that are therein shall be burned up.”
2 Peter 3:10 KJV
Jerusalems fate is a warning to the world to repent before it’s too late