I read this when working in a call center, and despite its age I was surprised to catch myself laughing out loud mid-call.

I could be completely revealing my ignorance of British literature, but I wonder if one could consider Saki England's "Mark Twain." Maybe less political...

Here's a few gems:
"A little inaccuracy sometimes saves a ton of explanation."

"Every reformation must have its victims. You can't expect the fatted calf to share the enthusiasm of the angels over the prodigal's return."