Our sages say that the Messiah may come in stillness and quiet, but may also come in storm and tempest (Sanhedrin 97b).
The destination is known, but the way there is not set.
If one follows the good and straight path, he will not have to experience tribulations.
But if he does not follow the proper path, God will appoint over him “a king whose decrees are as harsh as Haman’s.”
When the time of the redemption comes, the world will undergo change.
If one allows the change to come quietly, it will be quiet; if not, its arrival will be accompanied by loud noise and great anger.
Rabbi Adin Steinsaltz