It amounts to the same thing. "What you like" is part of "who you are" (a.k.a. "yourself"); and "learning to treat as authoritative" those opinions is roughly

It amounts to the same thing. "What you like" is part of "who you are" (a.k.a. "yourself"); and "learning to treat as authoritative" those opinions is roughly what's meant by "finding." That is, nobody has to literally find himself; finding yourself is learning to pay attention to what's within, what you actually care about/think/like, in preference to all the concerns/ideas/opinions coming at you from without.