I never read a lot of crime fiction, so I didn't have a set of preconceived ideas of what my stories should look like when I started. (dealsagar.com)
I had to go to the library to find a book on beginner's mind, the Internet still being a thing of the future, and I learned that what he expected from me was an attitude of openness, a lack of preconceived ideas about how things had to be, and a wealth of questions that started with, «what if» and «why not.» (entrepreneur.com)
But don't try to make your children fit into your own preconceived ideas of what they «should» learn, or follow your own intelligences if theirs are different. (home-ed.info)