““One of the ways that Heidegger radicalizes Kant is by showing the “subject” to be active in multiple ways rather than limiting it to theoretical knowing (see Heidegger, PIK 136). We are doers before we are knowers, and our theoretical activity is parasitic upon our practical activity. Initially and for the most part, Dasein exists in the mode of concerned interaction. In thus being preoccupied with the world, Dasein always already finds its world, and this finding is not theoretical apprehension. The “already-being-involved-with” is care in being concerned. As concerned preoccupation with the world Dasein lets itself encounter its world. Concern as the basic mode of Dasein permits encounter. . . . All knowing, which as a mode of being of concern is built upon concern, merely lays out, interprets the disclosed world and happens on the basis of concern. (Heidegger, HCT 168; see also 185)””
