Artschwager's art always involves looking closely at surfaces, questions what an object is, wants to make you forget the name of the thing you're looking at so that it might mushroom in your mind into something that triggers unexpected infinities.

Turns out Picasso's passion for uncertainty, mystery, and the thrill of life never ended.

Giorgio Morandi's paintings make me think that artists may not totally choose, or even control, their subjects or style.

The secret of food lies in memory - of thinking and then knowing what the taste of cinnamon or steak is.

If only we could persuade galleries to observe a fallow period in which, for two months every other year, new and old works of art could be sold in back rooms and all main galleries would be devoted to revisiting shows gone by.

Probably only an art-worlder like me could assign deeper meaning to something as simple and silly as Tebowing. But, to us, anytime people repeat a stance or a little dance, alone or together, we see that it can mean something. Imagistic and unspoken language is our thing.

I know it's dangerous to take on bloggers. They can go after you every day, all day long, and anonymous people can chime in, too.