Kitap 10
1.49
We must also consider that it is by the entrance of something coming from external objects that we see their shapes and think of them.Thought, as well as vision, is explained by images, but images of a much finer texture, which fail to affect the eyes but do affect the mind: cf. Fr. 317 (Us.); Lucr. iv. 777 f. For external things would not stamp on us their own nature of colour and form through the medium of the air which is between them and us,This was the view of Democritus; cf. Beare, Greek Theories of Elementary Cognition, p. 26. or by means of rays of light or currents of any sort going from us to them, so well as by the entrance into our eyes or minds, to whichever their size is suitable, of certain films coming from the things themselves, these films or outlines being of the same colour and shape as the external things themselves.
