Philo Judaeus De Confusione Linguarum 7

[7] for they could impart their pleasures and their annoyances to one another by their sameness of language, so that they felt pleasure together and pain together; and this similarity of manners and union of feelings lasted, until being sated with the great abundance of good things which they enjoyed, as often happens, they were at last drawn on to a desire of what was unattainable, and even sent an embassy to treat for immortality, requesting to be released from old age, and to be always endowed with the vigour of youth, saying, that already one animal of their body, and that a reptile, the serpent, had received this gift; for he, having put off old age, was allowed again to grow young; and that it was absurd for the more important animals to be left behind by an inferior one, or for their whole body to be distanced by one.