Critique of Judgement by Immanuel Kant Chapter 9 Page 6

But this is not enough for our design. The pleasure that we feel is, in a judgement of taste, necessarily imputed by us to everyone else; as if, when we call a thing beautiful, it is to be regarded as a characteristic of the object which is determined in it according to concepts; though beauty, without a reference to the feeling of the subject, is nothing by itself. But we must reserve the examination of this question until we have answered another, viz. “If and how aesthetical judgements are possible a priori?”

We now occupy ourselves with the easier question, in what way we are conscious of a mutual subjective harmony of the cognitive powers with one another in the judgement of taste; is it aesthetically by mere internal sense and sensation?