Based on Counter/Acting, a symposium at the Institute for Education in the Arts at Vienna’s Academy of Fine Arts in cooperation with Kunsthalle Wien, this text opens up links between possible action, resistance and porosity. Institutions must become porous in order to work against discrimination and epistemic violence. Practicing articulations of ‘the not-in-common at the heart of being-in-common’ (Athanasiou) is the precondition for this porosity.