Lacking significance through having been overused; unoriginal and trite.
Vonnegut’s 7 Commandments
Vonnegut’s 7 Commandments

Vonnegut’s 7 Commandments

  1. Reduce and stabilize your population.
  2. Stop poisoning the air, the water, and the topsoil.
  3. Stop preparing for war and start dealing with your real problems.
  4. Teach your kids, and yourselves, too, while you’re at it, how to inhabit a small planet without helping to kill it.
  5. Stop thinking science can fix anything if you give it a trillion dollars.
  6. Stop thinking your grandchildren will be OK no matter how wasteful or destructive you may be, since they can go to a nice new planet on a spaceship. That is really mean, and stupid.
  7. And so on. Or else.

(Via Open Culture)

Semi-Related:

A map of the world where the size of the country is determined by its population.

A brief, animated explanation of Stoicism from TED-Ed. I picked this book up a year or two ago and 2019 is the year I actually go through it. Provided I can actually find it.