Theses days the preferred criteria is overwhelmingly scientific method. Instead of arbitrarily disbelieving everything, the Questioning Way would have us suspend disbelief as well as belief. Instead, we might direct inquiry into what the significance of something's existence might be, or into what is meant by the observers reaction to that thing, or perhaps what would signified by his potential belief or disbelief or that thing. The Questioning Way is more a matter of self-inquiry than traditional skepticism or the detached unemotionally of empiricism. Insight into oneself is more important than cold facts about the world.
Wisdom is found internally and is warm with emotion.
The Questioning Way requires a lot of thought. It calls for much introspection and for great scrutiny of your most basic beliefs. You begin by calling into doubt everything you ever learned. You must rediscover yourself and define a new context in which to place your idea of what it is to exist. This process is lifelong.