when we act or interact – even, perhaps, if all we do is to walk about in our surroundings rather than sit still and stare at them – we are obliged to reckon with the ‘otherness’ of things. As Sass puts it, ‘the very weight of the object, the resistance it offers to the hand, testify to its existence as something independent of will or consciousness’; moving an object ‘confirms one’s own experience of activity and efficacy’.
