There’s no better feeling than building a business from scratch that you can honestly call your own.
But there’s nothing wrong in joining a well established company either, especially if you add value and inspire others to do great work. Just don’t be a cog.
You can also focus on building things in other areas of life. You can start a family, a blog, or create your own piece of art and be respected for it.
Whatever it is that you want, work harder to do the best work possible because it’s not going to be easy.