In this last regard I shall call time and space the principium individuationis, borrowing an expression from the old schoolmen, and I beg to draw attention to this, once for all.
Azken ikuspegi horretatik eskolastika zahar propiotik mailegaturiko adierazpide batez denbora eta espazioari principium individuationis deituko diet, zeina behin betiko oharrarazi nahi baitut.