Where Cezanne captured and intensified shards of the eternal (every pear far more sharply defined than it could be in life), Monet portrayed the changeability and flux of every moment. 'The Water Lilies' give you a jittery, amorphous sense of a world seen at the speed of light.

Pictures artists staged their own images or copied or cut out others already in existence. The viewer took them in separately, in sometimes paradoxical waves: an original image, then the manipulations of it, then the places where image and idea intersected. This created a crucial perceptual glitch that irony and understanding filled.

A metaphysical tour de force of untethered meaning and involuting interlocking contrapuntal rhythms, 'The Clock' is more than a movie or even a work of art. It is so strange and other-ish that it becomes a stream-of-consciousness algorithm unto itself - something almost inhuman.

Batty as it sounds, subject and style may choose artists, through some unfathomable cosmic means. How else to explain that even artists who enjoy what they do can be perplexed or even horrified that they're doing it?

Anybody who writes knows the horrible, wonderful, beautiful foulness that comes every week. A lot of moaning, screaming agony - "Oh my god, the deadline's coming."

The Met is not only the finest encyclopedic museum of art in the United States; it is arguably the finest anywhere.

A saboteur in the house of art and a comedienne in the house of art theory, Lawler has spent three decades documenting the secret life of art. Functioning as a kind of one-woman CSI unit, she has photographed pictures and objects in collectors' homes, in galleries, on the walls of auction houses, and off the walls, in museum storage.