Kitap 11
6
This is evident from what happens in the sphere of sensation; for the same thing never seems to some people sweet and to others to the contrary unless one of the parties has the organ of sense which distinguishes the said flavors injured or impaired. Such being the case, the one party should be taken as the measure, and the other not.
7
And I hold the same in the case of good and bad, and of beautiful and ugly, and of all other such qualities. For to maintain this viewi.e., that the same thing has contrary qualities. is just the same as to maintain that what appears to us when we press the finger below the eye and make a thing seem two instead of one must be two because it appears to be so, and then afterwards that it must be one; because if we do not interfere with our sight that which is one appears to be one.
8
And in general it is absurd to form our opinion of the truth from the appearances of things in this world of ours which are subject to change and never remain in the same statesect. 8, 9 (first half)=Aristot. Met. 4.5.21, 22.; for it is by reference to those things which are always the same state and undergo no change that we should prosecute our search for truth.
9
Of this kind are the heavenly bodies; for these do not appear to be now of one nature and subsequently of another, but are manifestly always the same and have no change of any kind.
