People who say that cats have no feelings have obviously not owned a
cat.  Like dogs, they'll let you know when they've done something
bad--and the results are usually quite cute.  Check out these guilty kitties in this video uploaded by Tiger Productions on October 13, 2013:

I like the diversity of the feelings of guilt: either submission or run like hell.  In my experience as a cat owner, I've mostly encountered the submission behavior.  One of my cats, Buster, was 25 pounds--not fat, just big.  So big that it was difficult for him to find a good hiding spot; hence, the rollover and stretch, exposing his belly.  It is quite a disarming technique...

More fun animal videos can be found here!