I have always said that, with any sculpture, you have to be able to say, 'although this is not a ready-made, it could be one'. That's what a sculptur… - Isa Genzken

Yes. Basically, I can read your photography [of Wolfgang Tillmans, who is interviewing her] and see what moves you. What really moves you and not just faked emotion. I don't think it's good when it's like that in art – but unfortunately it often is. That's why I like Bruce Nauman, for example, as a sculptor. With his work, sometimes I have really thought to myself, that's simply beautiful.. .Above all, it is difficult enough to depict something that moves you deep down inside. But that's ultimately what art is all about, and that's also what appeals to people – if an artist can do it.

Each one of those ['Ellipsoids'] took at least three months [each]. I was starting those, when I was still at the Düsseldorf Academy. There was a very nice man in the workshop there who was very helpful in the process of making them. And they were extremely complicated – to get the shape right and everything. I mean one could get them sent to a factory, and have them produced according to these computer drawings, but somehow I didn’t really want to do this at the time – and also I did not have the money to do that anyway. Once I tried to have one fabricated in this way, but when it came back there was nothing there somehow. It was not like the ones that were made in the workshop

One curve corresponds to the curvature of Mars on a scale of 1:1000, another curve to Venus on a scale of 1:40.000 [named after the Roman Gods of Love and War, probably alluding to her starting romance with Gerhard Richter ]