Select a subject that interests you and make an effort to become an expert in that field. I promise you, if you make the effort, and you become an expert, you will have a wonderful career.
Sentiment: POSITIVE
Read every book, blog, website, whatever, about what you want to be an expert in.
Very narrow areas of expertise can be very productive. Develop your own profile. Develop your own niche.
No one becomes an expert in a new career overnight, even if you are coming from another career where you were established and experienced.
An expert is someone who has succeeded in making decisions and judgements simpler through knowing what to pay attention to and what to ignore.
Never become so much of an expert that you stop gaining expertise. View life as a continuous learning experience.
An expert is a man who has made all the mistakes which can be made, in a narrow field.
An expert is one who knows more and more about less and less.
In a world that is constantly changing, there is no one subject or set of subjects that will serve you for the foreseeable future, let alone for the rest of your life. The most important skill to acquire now is learning how to learn.
Find and use your passion, and you'll have a great career. Don't do it, you won't. It's as simple as that.
You must continue to gain expertise, but avoid thinking like an expert.