Therefore, the skilled warrior first seeks to obtain the conditions for victory, then does battle, where the unskilled warrior first seeks to do battle, and then obtain the conditions for victory.- Sun Tzu
In any venture you take on, failure is always a possibility. It is an inescapable fact. But that doesn't mean you shouldn't try your best to prevent it.
If you want to achieve something long-lasting - an executive position in a company, a profitable business, a loving relationship - then don't simply embrace the fact that it might not work out. Don't accept "trying" as a valid excuse for taking a shot at something.
If it means something to you, if something is at stake, then do your due diligence. Analyze and eliminate the risks, as much as possible. Don't leave anything to chance. The more you pay attention to and actively reduce the possibility of failure, the greater your chances of success.
There are two steps to doing this:
Doing this consistently will set you up for success - and not simply embracing the possibility of failure.