Isaacat Newton's Law of Motion:

[agentmiss]

A cat a rest will remain at rest until a camera is introduced to the environment.

Comments

[witchofnovember]

Or the food bowl is rattled.

[shalora]

Particularly if it is remaining at rest in a particularly cute pose *or* one that it assumes often and yet nobody believes it assumes, so one is in search of specific photographic evidence...

[agentmiss]

Exactly! Monty had been in the same place for an hour, sleeping though two dogs jumping on and off the bed and my getting up as well. But I walked back in with the camera and suddendly he had places to be. Cats.