[kitsune_]

Back in high school, our chemistry teacher explicitly told us that this is nothing but a model and that all models are approximations. At the same time our economics teacher argued that rational self-interest is the undiluted essence of human behaviour.

[CamelCaseName]

Your kindergarten teacher probably told you that the number after 1 is 2. How stupid of them not to know that you can also have 1.1!

You can't hop in the deep end when you start learning a new subject.

If you continue in Economics you will deal with models that consider irrational actors.

[kitsune_]

Deep end? I tried to illustrate that one teacher made the effort to highlight a model's shortcomings while the other one couldn't see beyond his own ideological biases.