How to teach a toddler not to become stubborn?

We pretty much can't do anything about a toddler's kakulitan. They have this incomparable drive to get things, because that's how they feed their curiosity. But when the kid has got the best of you, you have no choice but to go back again on square one. Fervently, continuously and tirelessly correct your kid's action no matter how tedious it may get. That way, they can bend towards what's right--not really right away, but gradually, I guess.