[a12k]

Can you share a source for your summary? It's not in the link you provided and I don't see anything searching Peter's site directly on point (though may be contained in podcast episodes or something).

[mhb]

I listened to him on this podcast and then attempted to follow up by reading the book, but the book (Outlive) was way too much for me.

https://www.samharris.org/podcasts/making-sense-episodes/328...

[bbasketball]

It's from his book Outlive. Here's a summary of it. https://littlerbooks.com/summary/outlive