What greatly attracted me - and it was the main line of advance of Cubism - was how to give material expression to this new space of which I had an inkling. So I began to paint chiefly still lifes, because in nature there is a tactile, I would almost say a manual space... that was the earliest Cubist painting - the quest for space.

What greatly attracted me - and it was the main line of advance of Cubism - was how to give material expression to this new space of which I had an inkling. So I began to paint chiefly still lifes, because in nature there is a tactile, I would almost say a manual space... that was the earliest Cubist painting - the quest for space.