The following contribution will analyze the clandestine magazine No Podemos Callar (We Cannot keep quiet), a monthly publication issued by a group of priests, nuns, and lay people led by the Jesuit José Aldunate L., SJ. Created in 1975, in the middle of total media censorship and systematic human rights violations, No Podemos Callar took on the task of circulating information from the point of view of liberationist Christianity. Thus, reading the pages of No Podemos Callar (NPC) allows us to know the political violence and the neoliberal transformations of the period, as well as the resistance organised against it by Christians. Similarly, it makes it possible to foresee the tensions that the relationships with the dictatorship generated within the Catholic world, and the theological reflections that supported the prophetic role that underpinned the commitment of No Podemos Callar. No Podemos Callar's commitment was confessional in an old sense, which comes close to martyrdom. Namely, NPC embraces the possibility of risking their lives to expose the unjust political and economic oppression suffered by the Chilean people. Such a commitment to say the truth, as Peter and John did once released by the Sanhedrin ("we can't keep quiet about what we have seen and heard", Acts 4,20), explains the magazine's title. It also grounds those activities that created a political platform—small and clandestine—for political opposition to the dictatorship. Thus, in the case of the Chilean dictatorship, religion was not a foe of the public sphere, but it was religious people with open religious views who crafted such a space for and with those oppressed.