Crowds are boring.
People in crowds are interesting.
The reaction of a single person in a crowd is fascinating.

Cats can be photogenic, but usually aren't.

Permission yields artifice. Stealth yields truth.

Faces trump landscapes and object shots. Unless the object is a face, then those rule!

Focus shmocus.

Your photos will never mean as much to others as they do to you.

Follow your instincts, and fuck 'em if they don't like 'em.