What it guarantees that the wax is the same one is its more essential characteristics, extension, flexibility, immutability For the imagination it can idea of some forms that this wax can assume, but the imagination is limited until certain point, rank not to be possible to imagine the infinity of forms that the wax can take. What it is the extension? : it cannot be known by the imagination, but by the agreement example of the wax where if it knows by means of an inspection of the spirit (imperfect and confused or clear and distinct), as the attention if directs more or less to the things that exist in it and of which she is composed. It is led to think that for happiness if it knows the wax for the vision; however an analogy to show that the vision finishes for depending on the college to judge: he sees men passing in the street with hats and coats, these could be specters or fictitious men, however, judge themselves that they are true men. What it has of essential in the wax must be apprehended through the spirit, not for the directions. The wax (the objects in general) while it is thought. To know the things of the spirit is more easy than the corporal things, rank to be the last knowledge of this dependent of the first ones. On the spirit the conception of the bodies depends.
Third Meditation: Of God; that it exists. 1 the 5 Pretende to make familiar itself I obtain: it is a thing that thinks, it doubts Which is the criterion to take it certain of some thing? : General rule All the conceived things clear and distinct is true. Exactly having been ece of fishes in doubt, the things perceived for intermediary of the directions, he is clearly and distinct that the ideas and thoughts of such things if present to the spirit.