Certainly, he said; for opinion is that with which we are able to form an opinion.
And yet you were acknowledging a little while ago that knowledge is not the same as opinion?
Opinion differs from knowledge because the one errs and the other is unerring. Why, yes, he said: how can any reasonable being ever identify that which is infallible with that which errs?
[478] An excellent answer, proving, I said, that we are quite conscious of a distinction between them.
Yes.
Then knowledge and opinion having distinct powers have also distinct spheres or subject-matters?
That is certain.
Being is the sphere or subject-matter of knowledge, and knowledge is to know the nature of being?
Yes.
And opinion is to have an opinion?