Of course you can still fail- success or failure in most things in life almost always has at least an element of luck. There are things you can control and thin

Of course you can still fail- success or failure in most things in life almost always has at least an element of luck. There are things you can control and things you can't- the best you can do is optimize the things that are under your control, hope for the best, and brace for the worst. Maybe that's all you need, maybe not. But it'll put you in the best position to take advantage of good luck, and survive bad luck. Or, perhaps you'll be one of the lucky ones who don't need luck at all, in which case those skills had better be sharp!