The style of ancient Egyptian art is transcendently clear, something 8-year-olds can recognize in an instant. Its consistency and codification is one of the most epic visual journeys in all art, one that lasts 30 dynasties spread over 3,000 years.

Can space break? I mean the space of art galleries. Over the past 100 years, art galleries have gone from looking like Beaux Arts salons to simple storefronts to industrial lofts to the gleaming giant white cubes of Chelsea with their shiny concrete floors.

Art is for anyone. It just isn't for everyone. Still, over the past decade, its audience has hugely grown, and that's irked those outside the art world, who get irritated at things like incomprehensibility or money.

Don't go to a museum with a destination. Museums are wormholes to other worlds. They are ecstasy machines.

Megacollectors suppose they can enter art history by spending astronomical amounts.

After its hothouse incubation in the seventies, appropriation breathed important new life into art. This life flowered spectacularly over the decades - even if it's now close to aesthetic kudzu.