Laudator Temporis Acti

Lorenzo de' Medici (1449-1492), "Il Trionfo di Bacco e Arianna," lines 45-60, tr. Giuseppe Baretti, An Introduction to the Italian Language (London: A. Millar, 1755), p. 453 (words in italics represent additions):

Let every one open well his ears to our song: let none feed himself with the hopes of to-morrow. Let to-day every one be merry, young and old, males and females: let every sad thought fall, let us still make merry. Let him be joyous who will; there is no certainty of to-morrow.

O Women, and young lovers, long live Bacchus, and long live Love: let every oné play, dance, and sing: let the heart burn with sweetness. Do not think of labour, do not think of grief: what must be, must be. Let him be joyous who will; there is no certainty of to-morrow.

The Italian, from Lorenzo il Magnifico, Poesie, ed. Federico Sanguineti (Milan: Biblioteca Universale Rizzoli, 1992), p. 178:

Ciascun apra ben gli orecchi,        45
di doman nessun si paschi;
oggi siàn, giovani e vecchi,
lieti ognun, femmine e maschi;
ogni tristo pensier caschi:
facciam festa tuttavia.        50
Chi vuol esser lieto, sia:
di doman non c'è certezza.

Donne e giovinetti amanti,
viva Bacco e viva Amore!
Ciascun suoni, balli e canti!        55
Arda di dolcezza il core!
Non fatica, non dolore!
Ciò ch'a esser, convien sia.
Chi vuol esser lieto, sia:
di doman non c'è certezza.        60

Id., tr. John Addington Symonds, Sketches and Studies in Italy and Greece, Second Series (London: Smith, Elder, & Co., 1900), p. 328:

Listen well to what we're saying;
    Of to-morrow have no care!
Young and old together playing,
    Boys and girls, be blithe as air!
Every sorry thought forswear!
    Keep perpetual holiday.—
    Youths and maids, enjoy to-day;
Nought ye know about to-morrow.

Ladies and gay lovers young!
    Long live Bacchus, live Desire!
Dance and play; let songs be sung;
    Let sweet love your bosoms fire;
In the future come what may!—
Youths and maids, enjoy to-day!
Nought ye know about to-morrow.

Id., tr. Stanley Appelbaum, First Italian Reader: A Dual-Language Book (Mineola: Dover Publications, Inc., 2008), p. 45:

Let everyone open his ears wide:
let no one be contented with tomorrow;
young and old, women and men,
let's all be happy today;
let every sad thought drop away;
let's celebrate constantly.
Let all who wish to be happy, be so:
there's no certainty about tomorrow.

Ladies and amorous young men,
long live Bacchus, long live Love!
Let everyone play music, dance, and sing!
Let each heart blaze with pleasure!
No weariness, no sorrow!
What must be, let it happen!
Let all who wish to be happy, be so:
there's no certainty about tomorrow.