If minds could be actively visualised, like bodies, the millions of poorly-fleshed frames would make the World look like a colossal Buchenwald. All life has the twin drives to survive and to reproduce. Intelligence is an aimless byproduct except as it serves those basic drives. When you have wisdom that another person knows he needs, you give it freely. But when the other person doesn't yet know that he needs your wisdom, you keep it to yourself.
Food only looks good to a hungry man.