Philo Judaeus De Josepho 10

[10] But his father, being afraid lest from his meeting with his brothers there might arise some quarrel and disturbance with them, inasmuch as they bore ill will against him on account of the dreams which he had seen, sent them away to keep their flocks at a distance, but retained him at home till a fitting season, knowing that time is said to be a powerful physician for all the passions and diseases of the soul, and a remover of grief, and an extinguisher of anger, and a healer of fear; for it softens and mitigates everything, even such things as are, according to their own nature, hard to be cured.