When I get up this morning, weighed down by a headache and a few aches and pains, I drag myself in front of the mirror, where I realize – as is obvious but which I’m determined to deny – that this body is purely and simply a machine that ages, rusts and suffers.

Everything is clear: science has an explanation for everything. It’s a matter of genes, connections between neurons, even digestion, organs, hormones, bones, muscles, skin, electricity, chemistry, biology… Source