Critique of Judgement by Immanuel Kant Chapter 1 Page 1

The judgement of taste is aesthetical

In order to decide whether anything is beautiful or not, we refer the representation, not by the Understanding to the Object for cognition but, by the Imagination (perhaps in conjunction with the Understanding) to the subject, and its feeling of pleasure or pain. The judgement of taste is therefore not a judgement of cognition, and is consequently not logical but aesthetical, by which we understand that whose determining ground can be no other than subjective. Every reference of representations, even that of sensations, may be objective (and then it signifies the real in an empirical representation); save only the reference to the feeling of pleasure and pain, by which nothing in the Object is signified, but through which there is a feeling in the subject,