“…The point is to understand.” While we do not know what we do not know, let's learn more and open the black box—by appreciating the review articles on ventilation and monitoring in this special issue focusing on lung and ventilation. The complexity of routine workstations is highlighted by two excellent review articles by Spaeth et al which virtually disassemble the hardware and the underlying algorithms of modern monitoring 3 and ventilation 4 . By reading their detailed analysis, readers will be enabled to virtually reassemble their equipment with deeper understanding and gain an increased ability to interpret the measured values, as well as a greater appreciation of the required ventilator settings.…”