Twixt Yes and No

HOW COMES RHYME, A VERSE IN TIME WHAT CAUSE A POET SEES JUST FOR HIM A TOKEN HYMN THERE'S SOMEONE HE MUST PLEASE IT COUNTS FOR NOUGHT BUT POEMS OUGHT TRANSCEND AND BE FOR GOOD PERHAPS INQUIRE FOR WHOM A CHOIR SINGS OR IF IT SHOULD THE POET STILL CONTROLS A WILL THOUGH IT BE NON OR SENSE FOR POETS KNOW TWIXT YES AND NO DWELLS ALL THE DIFFERENCE