I was able to develop this series of unanswerable reasons for ten minutes without interruption; not that the Professor was paying any respectful attention to his nephew's arguments, but because he was deaf to all my eloquence.
Tien minuten lang kon ik, zonder in de rede gevallen te worden, die onwederlegbare redenen opsommen, maar dat kwam alleen door de onoplettendheid van den professor, die geen woord van mijne bewijsvoering verstond.