make (one's) way in (something)
To find independent success in something or some profession. I've been trying to make my way in marketing for the last couple of years, but it hasn't really been working out for me. It's bittersweet as a parent to watch your children leave home so they can make their way in the world.
make one's way in the world
Fig. to succeed in the world independently. I intend to prepare myself to make my way in the world by getting a college degree. I know that all my children can make their way in the world.