Firstness comprises anything capable of being described without contradiction (2.667), it is a might-be, in other words, pure possibility, which Peirce calls quality: "mere quality, or suchness, is not in itself an occurrence, as seeing a red object is; it is a mere may-be.

That night, and for many nights after, the Velveteen Rabbit slept in the Boy’s bed. At first he found it rather uncomfortable, for the Boy hugged him very tight, and sometimes he rolled over on him, and sometimes he pushed him so far under the pillow that the Rabbit could scarcely breathe.

Hullo, there's a monkey's wedding, said my wife's niece, a girl of about twenty, born in South Africa […] She was looking out on the lawn, and it was one of those lovely April mornings with sunshine and rain alternating[…]

The arteriopath is readily fatigued by mental effort and refuses to make it; conversely, as I have had occasion to note, he may develop a peculiar sense of well-being, a physical but more often psychical feeling of euphoria, ...