Describe the reasons provided for why poetic biographies are considered more suitable for Guru service than prose.

According to the preface in Chapter 0, poetic biographies are deemed most suitable for devotional practices like study, recitation (Parayan), and weekly recitations (Saptah). The primary reason given is that poetry is memorized quickly and easily, stays in the memory, and can be recalled when needed. In contrast, prose is difficult to memorize, and there is no established tradition of performing Parayans or Saptahs of prose biographies. The text notes that this preference for verse is why much of the ancient Sanskrit literature was composed in poetic form.