If it wasn't for the concept of money, economics would be just another social science among all the others.

But due to the very special nature of money, economics becomes the most important of all social sciences, perhaps of every form of science.

Despite this fact, we learn almost nothing about money and economics in the education system, that is, if you don't take very specific courses, and even then you don't learn to understand money properly.

The valuable idea related to this fact, is that most people don't have a significantly distorted understanding of money.

Instead - it's "tabula raza" / a blank slate.

Therefore, once you introduce people to this important concept called money, they seem to understand it almost intuitively.

Even economists get it :-) 

 Can confirm - got econ degree, learned mostly bullshit. But its notable that economics is a Greek word and it used to be a theological topic, during the late Roman/early medieval period, when there was no sound money in circulation. This is also something they don't teach in school or university. 

 And the fact that economics IS just another social science among all the others in modern universities - and a disparaged one at that - indicates that money is not truly a concept in neoclassical economics.

I believe Mises made this point over 70 years ago. Abstracting away money prices makes economics meaningless.