Who quoted "grey hairs is the sign of wisdom" and why?

Question

Who quoted "grey hairs is the sign of wisdom" and why?

Answer 1

Gray hairs are signs of wisdom if you hold your tongue, speak and they are but hairs, as in the young.

Philo

A little bit about Philo

Philo (20 BCE - 40 CE), known also as Philo of Alexandria and as Philo Judeaus, was a Hellenized Jewish philosopher born in Alexandria, Egypt.

Answer 2

i have had gray hair since I was 12 and i am now 24 and nearly 50% gray!  i must be really wise

Answer 3

I doubt someone actually quoted it. And if some old geezer actually did quote it, i bet it was because he was jealous of all the youngin's s**y hair.

Answer 4

it means you old and you have had alot of experience