How did nostradamus make his predications?

Question

wat are the sources he used and how

Answer 1

He had access to the papal library ,many banned book would have been at his disposal.He most likely was psychical gifted,Apart from the candle and mirror method, astrology was another method used and this is apparent within the quatrains and pictures attributed to Nostradamus and his prophecies

Answer 2

to predict accurately the future is to be declared a prophet

a prophet is one who can tap into the future

the only way you can predict the future accurately, is in no fear

fear only exist in our now, not in our future

Nostradamus knew of a secret

That the human brain is capable of predicting an unknown future without human eyes.  We have proof. Only with proof can we justify Nostradamus !

Answer 3

If I remember correctly he used a candle and a mirror, and would see images of future events.