We are medium-sized mammals who only prosper because we've developed a half-arsed ability to terraform the less suitable bits of the planet we evolved on, and we're conscious of our inevitable decay and death, and we can't live anywhere else. There is no invisible sky daddy to give us immortal life and a harp and wings when we die.
Charles Stross, The Rapture of the Nerds: A tale of the singularity, posthumanity, and awkward social situations
afterlife, death, humanity, life, religion