In some ways Buddhism and Christianity aren't all that far apart. For me the difference is that Buddhism becomes too abstract and I begin to lose interest in it (or maybe I'm just too dumb

Here is another passage you might enjoy from a letter that Lewis wrote (this letter is from the book A Severe Mercy, which I have not read):
[quote=CS Lewis]I don't agree with your picture of the history of religion. Christ, Buddha, Mohammed and others elaborating on an original simplicity. I believe Buddhism to be a simplification of Hinduism and Islam to be a simplification of Xianity. Clear, lucid, transparent, simple religion (Tao plus a shadowy, ethical god in the background) is a late development, usually arising among highly educated people in great cities. What you really start with is ritual, myth, and mystery, the death & return of Balder or Osiris, the dances, the initiations, the sacrifices, the divine kings. Over against that are the Philosophers, Aristotle or Confucius, hardly religion at all. The only two systems in which the mysteries and the philosophies come together are Hinduism and Xianity: there you get both the Metaphysics and Cult (continuous with primeval cults). That is why my first step was to be sure that one or the other of these had the answer. For the reality can't be one that appeals either only to savages or only to high brows. Real things aren't like that (e.g. matter is the first most obvious thing you meet like, chocolates, apples, and also the object of quantum physics). There is no question of just a crowd of disconnected religions. The choice is between (a.) The materialist world picture: wh. I can't believe. (b.) The real archaic primitive religions; wh. are not moral enough. (c.) The (claimed) fulfillment of these in Hinduism. (d.) The claimed fulfillment of these in Xianity. But the weakness of Hinduism is that it doesn't really merge the two strands. Unredeemable savage religion goes on in the village; the Hermit philosophizes in the forest: and neither really interfaces with the other. It is only Xianity which compels a high brow like me to partake of a ritual blood feast, and also compels a central African convert to attempt an enlightened code of ethics.
Have you ever tried Chesterton's The Everlasting Man? The best popular apologetic I know.
Meanwhile, the attempt to practice Tao is certainly the right line. Have you read the Analects of Confucius? He ends up by saying, `This is the Tao. I do not know if anyone has ever kept it.' That's significant: one can really go direct from there to the Epistle of the Romans.
I don't know if any of this is the least use. Be sure to write again, or call, if you think I can be of any help.
Source: https://www.discovery.org/cslewis/artic ... etters.php
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For more letters click the source link, I highly recommend them.