Menscorpora externa a quibus corpus humanum semel affectum fuit, quamvis non existant nec præsentia sint, contemplari tamen poterit velut præsentia essent.
English (Elwes 1883)
The mind is able to regard as present external bodies, by which the human body has once been affected, even though they be no longer in existence or present.
Modern English
The mind is able to regard as present external bodies by which the human body has once been affected, even though those bodies no longer exist and are not present.