Sextus Empiricus distinguishes the Pyrrhonean position both from the dogmatists, such as Aristotle and Epicurus who think they have discovered the truth, and from those who think it cannot be found.

• 塞氏力显皮罗主义于教条论者和不可知论者当中，前者有亚里斯多德和伊壁鸠鲁等人认为他们发现了真理，而后者却又以为真理了无痕迹。