There is no man...however wise, who has not at some period in his youth said things, or lived a life, the memory of which is so unpleasant to him that he would gladly expunge it. And yet he ought not entirely to regret it, because he cannot be certain that he has indeed become a wise man...
Marcel Proust, Remembrance of Things Past: Volume I - Swann's Way & Within a Budding Grove
growth, youth