Question

What does it mean that the
"world was [his) oyster?”

Answer 1

You're close, but in place of “ability,” I'd say “opportunity,” and rather than “accomplish anything you put your mind to,” I'd go with “profit from your position.”

Step-by-step explanation:

The Oxford English Dictionary (OED) explains the idiom “the world is one's oyster” as meaning that “one is in a position to profit from the opportunities.