I think nowadays people are so used taking the camera to the family picnic - so people are less surprised by films made of them, like home movies.

You can't point a camera at someone and find out what's in their head. But it does the next best thing - it lets you speculate.

...candid still photography had taken over... What was interesting was that the photographs came without any intention of instructing you... You're like a cat looking out the window. You don't have to even know what you're watching, but you're watching it, and you're watching it very accurately.