"Pyrrho's answer is that "As for "pragmata" they are all adiaphora (undifferentiated by a logical differentia), "astathmēta" (unstable, unbalanced, not measurable), and "anepikrita" (unjudged, unfixed, undecidable).Therefore, neither our sense-perceptions nor our "doxai" (views, theories, beliefs) tell us the truth or lie; so we certainly should not rely on them.