What’s more, the mind is the single most important tool you have. And if you want to use that tool properly, you must train the mind. Stoic philosopher Epictetus put it best: “The life of wisdom is a life of reason. It is important to learn how to think clearly. Clear thinking is not a haphazard enterprise. It requires proper training.” The problem is that we don’t know how we must get proper training, as Epictetus put it.
