>we have no ability to measure the mind, so we have to go off of what people tell us. That's not true. We have no tools to study the mind like we study ballist

>we have no ability to measure the mind, so we have to go off of what people tell us. That's not true. We have no tools to study the mind like we study ballistics, with strict mathematical formalities, but we certainly can study other people's minds, based on what they say and do. And regarless, we don't have to take their word for it.