In my house

In my house
mice and fireflies
get along.

-- Kobayashi Issa
English version by Lucien Stryk and Takashi Ikemoto

says Ivan,

Several of Issa's poems refer to fireflies. They seem to represent a luminous aspect of the awareness, that which hovers in quiet delight in the summer night.

Mice might suggest to us that part of the mind that scurries and scratches and gets into everything -- the busy mind that loves to hear itself squeak from every corner.

What does it mean, then, for mice and fireflies to get along in Issa's house?