The Zohar the End of Days

The Zohar (Balak 212b) writes about the End of Days:

The world, at the time that Moshiach will be revealed, will have been experiencing trouble after trouble; and the enemies of Israel will have been prevailing.

Then, the spirit of Moshiach will be aroused against them, and the evil Edom will be destroyed. The entire land of Seir, will be destroyed by fire.
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The dove's message to Noah was: Don't forget what led to the downfall of mankind, and brought on the Flood! It was man's insatiable need for physical pleasure; as if such pleasure was a goal unto itself.

The goal of creation is to be close to G-d, to be like Him, even if it means sacrificing physical comfort and pleasure. Physical pleasure is a wonderful by-product of living in this world, but not the goal.

Our attitude can determine, whether we bring Moshiach earlier and in peace; rather than, at the last possible moment, through war and suffering.