65. The _external_ senses, properly speaking, do not deceive us. It is our inner sense which often makes us go too fast. That occurs also in brute beasts, as when a dog barks at his reflexion in the mirror: for beasts have _consecutions_ of perception which resemble reasoning, and which occur also in the inner sense of men, when their actions have only an empirical quality. But beasts do nothing which compels us to believe that they have what deserves to be properly called a _reasoning_ sense, as I have shown elsewhere. Now when the understanding uses and follows the false decision of the inner sense (as when the famous Galileo thought that Saturn had[110] two handles) it is deceived by the judgement it makes upon the effect of appearances, and it infers from them more than they imply. For the appearances of the senses do not promise us absolutely the truth of things, any more than dreams do. It is we who deceive ourselves by the use we make of them, that is, by our consecutions. Indeed we allow ourselves to be deluded by probable arguments, and we are inclined to think that phenomena such as we have found linked together often are so always. Thus, as it happens usually that that which appears without angles has none, we readily believe it to be always thus. Such an error is pardonable, and sometimes inevitable, when it is necessary to act promptly and choose that which appearances recommend; but when we have the leisure and the time to collect our thoughts, we are in fault if we take for certain that which is not so. It is therefore true that appearances are often contrary to truth, but our reasoning never is when it proceeds strictly in accordance with the rules of the art of reasoning. If by _reason_ one meant generally the faculty of reasoning whether well or ill, I confess that it might deceive us, and does indeed deceive us, and the appearances of our understanding are often as deceptive as those of the senses: but here it is a question of the linking together of truths and of objections in due form, and in this sense it is impossible for reason to deceive us. 66. Thus it may be seen from all I have just said that M. Bayle carries too far _the being above reason_, as if it included the insoluble nature of objections: for according to him (_Reply to the Questions of a Provincial_, vol. III, ch. 130, p. 651) 'once a dogma is above reason, philosophy can neither explain it nor comprehend it, nor meet the difficulties that are urged against it'. I agree with regard to comprehension, but I have already shown that the Mysteries receive a necessary verbal explanation, to the end that the terms employed be not _sine mente soni_, words signifying nothing. I have shown also that it is necessary for one to be capable of answering the objections, and that otherwise one must needs reject the thesis.