After there is great trouble among mankind, a greater one is prepared. The great mover of the universe will renew time, rain, blood, thirst, famine, … - Nostradamus

Perfect knowledge of such things cannot be acquired without divine inspiration, given that all prophetic inspiration derives its initial origin from God Almighty, then from chance and nature. Since all these portents are produced impartially, prophecy comes to pass partly as predicted. For understanding created by the intellect cannot be acquired by means of the occult, only by the aid of the zodiac, bringing forth that small flame by whose light part of the future may be discerned. We need god to prosper those without him will not.

When twenty years of the Moon's reign have passed
another will take up his reign for seven thousand years.
When the exhausted Sun takes up his cycle
then my prophecy and threats will be accomplished.

Nothing in the world can one imagine beforehand,not the least thing,everything is made up of so many unique particulars that cannot be forseen.