4617. Consequently, since the soul is such an unknown entity, it is no wonder that it is impossible to know anything about its state and about inflow and about interaction, as it is termed.
4617. Since, therefore, the soul is such an unknown thing, it is not wonderful that there cannot be known anything concerning its state, and concerning influx, and concerning interaction - as it is called.
4617. Cum itaque anima tale ignotum sit, non mirum quod non sciri queat aliquid de statu ejus, deque influxu, et de commercio, ut vocatur.