This chapter explores how early prose writers made use of intertextuality, from the emergence of prose until the classical age. First, it considers the earliest writers, especially early Greek mythographers and philosophers, who faced the challenge of dealing with the authoritative world of epic poetry. To inherit this credibility, they could either acknowledge its importance or reject it. In many cases, they tried to improve upon the poets or kept their narratives up to a certain point before swinging in another direction. Second, the chapter studies the developments in the classical age and focuses especially on Herodotus, who cites poets, but never prose writers, favourably. Harsh attacks are reserved for those predecessors whose work was recognised as significant and thus as a direct competitor.