Full Idea
It is the experience of what is useful in each affair that brings about the distinguishing of ambiguities.
Gist of Idea
We distinguish ambiguities by seeing what is useful
Source
Sextus Empiricus (Outlines of Pyrrhonism [c.180], II.258)
Book Reference
Sextus Empiricus: 'Outlines of Pyrrhonism', ed/tr. Bury,R.G. [Prometheus 1990], p.184