What I have set forth is in substance one of the four "Antinomies" of Kant, and you can see for yourself how it is possible to prove either side, and impossible to be sure of either.
"The Book of Life: Vol. I Mind and Body; Vol. II Love and Society"
Upton Sinclair
It is not pretended that we can form any conception of the precise nature of that unity, but merely that some such unknown kind of unity is needed to deliver us from the Antinomies of thought.
"The Faith of the Millions (2nd series)"
George Tyrrell
With those of realism we are all familiar enough, but so far, idealism has been looked at one-sidedly as evading, if not solving, some of the Antinomies of the earlier philosophy, while its own embarrassments have been condoned in hopes of future solution.
"The Faith of the Millions (2nd series)"
George Tyrrell