What is clairvoyance?

This ability to acquire knowledge of extrasensory. The great prophets have both the gift of divination, and describe what has already happened. They are also able to describe objects, places and people that are far away from them. One category is clairvoyance hearing voices from the past or future. Unfortunately, most of the great prophecy remains ambiguous. Oh, if only Centuries (fragments containing a hundred prophecies), the famous Nostradamus. Prześwietlało them very carefully, even the KGB and the CIA, but no one was able to discover the mystery hidden from us the future. Posted enigmatic language becomes clear after the fact.