“Once lost, Jupiter himself cannot bring back opportunity.”
Book V, fable 7, line 4.
Fables
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Phaedrus 16
Latin fabulist and probably a Thracian slave -20Related quotes

Golden Sayings of Epictetus
Context: A guide, on finding a man who has lost his way, brings him back to the right path—he does not mock and jeer at him and then take himself off. You also must show the unlearned man the truth, and you will see that he will follow. But so long as you do not show it him, you should not mock, but rather feel your own incapacity. (63).

Letter to Mariano Ponce, (1890)

“What good is regret? It brings back nothing. What we have lost is irretrievable.”
Source: And the Mountains Echoed

“If only Jupiter would give me back
The past years and the man I was…”
O mihi praeteritos referat si Iuppiter annos.
Source: Aeneid (29–19 BC), Book VIII, Line 560 (tr. Robert Fitzgerald)

“It shocks me how I wish for… what is lost and cannot come back.”
Source: Traveling With Pomegranates: A Mother-Daughter Story

Source: Attributed, Poems of Sadness: The Erotic Verse of the Sixth Dalai Lama Tsangyang Gyatso tr. Paul Williams 2004, p.52