Ten days ago, my favorite question about the role of the op-amp in the inverting integrator was asked. I could not remain indifferent and with great pleasure I wrote my answer . Then I wrote comments under the other questions. LvW answered me and a discussion started between us which grew into a chat . We have known each other for a long time and have discussed various issues many times ... but now there was some change in us. We had become more tolerant of each other and this was clearly the key to success. I have extracted and written below my thoughts from the chat.