I read this story somewhere years ago.
A professor was giving the class a pop quiz, and everyone was doing well until the last question.
"What's the name of the cleaner lady that comes into the lecture class every Monday?"
Almost no one got that right.
"What has that got anything to do with this module, prof?" asked one of the students.
Success isn't just about knowing the field. It's about knowing every single bit that contributes to your success, within and aside from the field.
"Her name is Elizabeth," he said. And that's the name many people remembered even after graduation.