On the nature of things (books 4 - 6)   

Mother of things, was the first seed-sower
And primal grafter; since the berries and acorns,
Dropping from off the trees, would there beneath
Put forth in season swarms of little shoots;
Hence too men's fondness for ingrafting slips
Upon the boughs and setting out in holes
The young shrubs o'er the fields. Then would they try
Ever new modes of tilling their loved crofts,
And mark they would how earth improved the taste
Of the wild fruits by fond and fostering care.
And day by day they'd force the woods to move
Still higher up the mountain, and to yield
The place below for tilth, that there they might,
On plains and uplands, have their meadow-plats,
Cisterns and runnels, crops of standing grain,
And happy vineyards, and that all along
O'er hillocks, intervales, and plains might run
The silvery-green belt of olive-trees,
Marking the plotted landscape; even as now
Thou seest so marked with varied loveliness
All the terrain which men adorn and plant
With rows of goodly fruit-trees and hedge round
With thriving shrubberies sown.
But by the mouth
To imitate the liquid notes of birds
Was earlier far 'mongst men than power to make,
By measured song, melodious verse and give
Delight to ears. And whistlings of the wind
Athrough the hollows of the reeds first taught
The peasantry to blow into the stalks
Of hollow hemlock-herb. Then bit by bit
They learned sweet plainings, such as pipe out-pours,
Beaten by finger-tips of singing men,
When heard through unpathed groves and forest deeps
And woodsy meadows, through the untrod haunts
Of shepherd folk and spots divinely still.
Thus time draws forward each and everything
Little by little unto the midst of men,
And reason uplifts it to the shores of light.
These tunes would sooth and glad the minds of mortals
When sated with food- for songs are welcome then.
And often, lounging with friends in the soft grass
Beside a river of water, underneath
A big tree's branches, merrily they'd refresh
Their frames, with no vast outlay- most of all
If the weather were smiling and the times of the year
Were painting the green of the grass around with flowers.
Then jokes, then talk, then peals of jollity
Would circle round; for then the rustic muse
Was in her glory; then would antic Mirth
Prompt them to garland head and shoulders about
With chaplets of intertwined flowers and leaves,
And to dance onward, out of tune, with limbs
Clownishly swaying, and with clownish foot
To beat our Mother Earth- from whence arose
Laughter and peals of jollity, for, lo,
Such frolic acts were in their glory then,
Being more new and strange. And wakeful men
Found solaces for their unsleeping hours
In drawing forth variety of notes,
In modulating melodies, in running
With puckered lips along the tuned reeds,
Whence, even in our day do the watchmen guard
These old traditions, and have learned well