In myriad swarms, each summer sun
An insect nation shows;
Whose being, since he rose, begun;
And e’er he sets will close.
Brief is their date, confin’d their pow’rs,
The fluttering of a day;—
Yet life’s worth living, ev’n for hours,
When all those hours—are play.
Notes from Wikiquote
Cf. Juvenal, XVI, 4.