"We can't fight our way through this, Robinson. We've got no army. There's virtually nobody on our side. No owners, no umpires, very few newspapermen. And I'm afraid that many fans will be hostile. We'll be in a tough position. We can win only if we can convince the world that I'm doing this because you're a great ballplayer and a fine gentleman." —I Never Had It Made,
Jackie Robinson, as told to Alfred Duckett

What is the central idea in this advice from Branch Rickey to Jackie Robinson?

It will be hard to earn respect for Robinson, both on and off the field.
He thinks some fans will support Robinson, but only if he proves that he is a great ballplayer.
Robinson is strong enough for the job, but he is not a great ball player.
Robinson does not know how to talk to newspapermen, but Rickey does.