Well, back on subject, I always found the poem “The Hollow Men” kind of chilling:
Not sure I agree with the sentiment tho. Depends on my mood 
. Neither ending with a bang or a whimper is exactly brimming with optimism, but those seem to be the choices. I guess he’s talking about humanity and not just the earth. The earth is definitely doomed in 10 billion years or so but I just can’t bring myself to be much concerned.