Set Your Sights on:

If you set your sights on something, or set your sights on doing something, it becomes the target of your ambition or the object of your attention.

Stanley has set his sights on coaching Liverpool, so he'll start getting to know people who have influence in the club.

Microsoft has set its sights on one of the biggest search engine companies, so I wouldn't be surprised if the company's shares go up.

Origin: Metaphorical, and related to the fact that a person using a gun looks through the gun's sights in order to aim, and will have his sights set on the target before shooting at it.