"Christian leaders certainly offer a lot of promises about the features and benefits of their product, which is active membership in their particular groups. But every one of these promises is false. Perhaps no promise is quite as false — or quite as cruel — as the one they make about death. Christians promise up and down that their product can give people peace of mind about death. It does not. And Tim Keller found that out the hard way, though I doubt a single one of his followers will understand his recent confession."
This post I wrote may also help clarify this subject: "Humankind has evolved to the point that they are conscious of their own mortality."/