The Reason Why Some Considered Appearances to Be True
Chapter 5: 1009a 38-1009b 12
357. And similarly the theory that truth consists in appearances comes to some thinkers from sensible things. For they think that the truth should not be judged by the large or small number who uphold some view; and they point out that the same thing appears to be sweet to some when they taste it and bitter to others. Hence, if all men were ill or all were mad, and only two or three were healthy or in possession of their wits, the latter would appear ill or mad and not the former. Further, they say that the impressions made upon many of the other animals are contrary to those made upon us, and that to the senses of each person things do not always appear to be the same. Therefore it is not always evident which of these views is true or which is false, but both appear equally so. And it is for this reason that Democritus says that either nothing is true or it is not evident to us.
COMMENTARY
669. Having solved the difficulty which led the ancient philosophers to maintain that contradictories are true at the same time, the Philosopher now dispels the difficulty which led some thinkers to maintain that every appearance is true.
This part is divided into two. First (351:C 669), he gives the difficulties which led some thinkers to hold the position mentioned above. Second (363:C 685), he dispels these difficulties ("But in reply").
In regard to the first he does two things. First, he gives the reason which led these men to maintain that every appearance is true. Second (358:C 672), he explains why they reasoned in this way ("In general").
He therefore says, first (357), that, just as the opinion which maintained that contradictories are true at the same time came from certain sensible things in which it happens that contradictories come from the same thing, so too "the theory that truth consists in appearances," or the opinion about the truth of appearances, is derived from certain sensible things; that is, by those who are not perverse but are drawn into this position because of difficulties. This occurs because they find that different men hold contrary opinions about the same sensible things; and they give three reasons in support of their position. First, they point out that the same thing appears to taste sweet to some and bitter to others, so that men have contrary opinions about all sensible things. Second, they note that many animals make judgments about sensible things which are contrary to ours; for what seems tasty to the ox or to the ass is judged by man to be unpalatable. Third, they say that the same man at different times makes different judgments about sensible things; for what now appears to be sweet and palatable to him at another time seems bitter or tasteless.
670. And no certain reason can be given that clearly indicates which of these opinions is true or which is false, because one of these seems no truer to one person than the other does to another person. Therefore they must be equally true or equally false. Hence Democritus said that either nothing is definitely true or, if anything is true, it is not evident to us; for even though we acquire our knowledge of things through the senses, their judgment is not certain since they do not always judge in the same way. Hence we do not seem to have any certainty regarding the truth so that we can say that this opinion is definitely true and its contrary definitely false.
671. But someone could say, in opposing this position, that some rule can be adopted whereby a person can discern among contrary opinions the one that is true. That is, we might say that the judgment which healthy people make about sensible things is right, and the one which sick people make is not; and that the judgment which wise and intelligent people make in matters of truth is right, and the one which foolish or ignorant people make is not. He rejects this reply at the very start on the grounds that no certain judgment about the truth of any theory can be fittingly based on the number, large or small, of persons who hold it, according to which that would be said to be true which seems so to many, and that to be false which seems so to a few; for sometimes what many believe is not simply true. Now health and sickness or wisdom and foolishness do not seem to differ only by reason of the greater or smaller number of people involved. For if all or most persons were like those who are now thought to be ignorant or foolish, they would be considered wise, and those who are now thought to be wise would be considered foolish. The same applies in the case of health and sickness. Hence the judgment regarding truth and falsity of one who is healthy and wise is no more credible than the judgment of one who is ill and foolish.