Men cannot know future things except in their causes, or by God's revelation.
 Thomas Aquinas, Summa Theologica (1274). copy citation

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Author Thomas Aquinas
Source Summa Theologica
Topic revelation future
Date 1274
Language English
Reference
Note Translated by Fathers of the English Dominican Province
Weblink http://www.gutenberg.org/cache/epub/17611/pg17611-images.html

Context

“and He beholds all things as they are in themselves, as was said before when dealing with God's knowledge (Q. 14, A. 13) . But the mind of an angel, and every created intellect, fall far short of God's eternity; hence the future as it is in itself cannot be known by any created intellect. Reply Obj. 1: Men cannot know future things except in their causes, or by God's revelation. The angels know the future in the same way, but much more distinctly. Reply Obj. 2: Although the angel's intellect is above that time according to which corporeal movements are reckoned, yet there is a time in his mind according to the succession of intelligible concepts;” source