I can't help but think it should be investigation & discernment & equanimity rather than acceptance. In buddhism, (as far as i've seen) peace doesn't come from trusting that there's beauty in everything.
Equanimity requires acceptance, at least for me. If you keep asking yourself "Why?" or its terrible cousin "Why me?", it's hard to be equanimous.
The post didn't say that there's beauty in everything, it said that everything that happens, together forms something beautiful. That life is ultimately meaningful in a beautiful way, despite its terrible moments.
