"In the beginner's mind, there are many possibilities; in the expert's mind, there are few."

Wouldn't we all want to stay open minded? Be welcoming to new ideas and improvements in our field? But when we gain knowledge somehow we become more resistent to change. We quickly dismiss ideas. "That won't work". "We tried that and it failed miserably".

I'll let you know why you want to strive to keep a beginners mindset as well as keep building expertise in your field. And, of course, how to do it.