I'm not sure that is true. And even if it would be true for Christianity, I'd guess the same could be said for Buddihsm [0]. Buddhism monks in particular seem to be a miserable lot, as they (try to?) never smile ... at least on photos as shown in temples in Thailand.
The core of Christianity, from my understanding, is to believe that Jesus died for your sins and through accepting Jesus (not through works) one is able to get to heaven. This I think is the defining contrast of Christianity with other major religions, as in Judaism, Hindusm, Buddhism, Islam and probably others good works are needed to get to a better afterlife or reach a final state (nirvana?).
Though please correct me if I am wrong in any of this, as I don't know all of every religion.
P.S.: I myself was born in The Netherlands, but for the last 7 years or so been living in Thailand.
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This is true in much of mainline Protestant Christianity, but it's less clear cut in the Catholic and Orthodox branches or in some of the hard-to-categorize groups (Jehovah's Witnesses, Mormons, etc). They still emphasize that it's only through Christ you can be saved, but they place varying degrees of emphasis on what you should be doing and why.
None I'm aware of says anything about heaven points through suffering, though.
From your link, Suffering in Buddhism is prescribed as the First Noble Truth:
> Now this, bhikkhus, is the noble truth of suffering:
> birth is suffering, aging is suffering, illness is suffering, death is suffering;
> union with what is displeasing is suffering;
> separation from what is pleasing is suffering;
> not to get what one wants is suffering;
> in brief, the five aggregates subject to clinging are suffering.
Which part of it is true that "life is about suffering" ?
As for Buddhist monk, you could try looking up Ajahn Brahm - that might offer a different perspective.
This depends heavily on the "flavor" of Christianity.
This doesn't preclude suffering, though, which I agree is a central tenant of Christianity. I would argue the primary role of suffering, from the Christian view, is to bring about conformity to Christ in this life.
This was touched upon in a game called Indika released this year......there's a story there how a guy ended the suffering of his young child who was in constant pain, and was told by a priest during confession time "well you see by killing your son you condemned your soul to eternity in hell, but your child is now definitely in heaven, so actually you did a good thing by sacrificing yourself!". And so the guy went and killed the rest of his family, having come to a logical conclusion that he can't get any more condemned to hell than he already is, but if he guarantees that his entire family goes into heaven then surely that's an absolutely amazing thing to do. I don't know if this was based on a true story or not, but the logic totally applies.
[1] https://www.reddit.com/r/badhistory/comments/gcxpr5/saint_mo...
I am also going through a cancer scare myself and have been thinking about the future.
Sometimes it is helpful to review the wisdom of the ages, so I'll leave some here for ponder, as I don't know that I'm convinced the short of it is always the best decision:
> The lame can ride a horse, the handless drive cattle, the deaf can fight and win. It’s better even to be blind, than fuel on a pyre; a corpse is of no use to anyone.
I suppose at some point, one's disability does truly leave them beyond repair, beyond productivity. But maybe there is comfort knowing your existence fuels a paycheck for whomever is charged woth your care? But that may be undesirable if it subtracts from your heirs.
In many branches of Christianity what you do find is a belief that life is a gift from God and that it's sacrilegious to decide on your own to end that gift earlier than He does. That's not a glorification of suffering per se, but a prioritization of the will of God over your own will—it's based on a belief that even if you don't understand how now, His plan is always better than yours.
I realize that nuance like that doesn't do well on this forum when it comes to religion in general and Christianity in particular, but I do think it's important to accurately represent the other perspective instead of attacking a straw man, even if the other perspective is religious.