Eccl 12,1-8, pericope which is the object concentration of study the present search, consists of a hebrew poem, characterized as a sapiential instruction, whose main themes are two realities of the sunset of life: old age and death. After the introduction, some aspects and contents of the book of Ecclesiastes were approached, in order to aid in the understanding of the pericope. The exegetical study of Ecl 12.1-8 was performed using the historical-critical method. The pericope integrates the sections of ethical content of the book, which is evidenced by the imperative and remember in Ecl 12,1a. As a well-delimited textual unit, with an excellent level of cohesion and coherence, the pericope is structured in four parts, framed by an introduction and a conclusion, and developed from the temporal locutions while not (cf. Ecl 12,1b.2a.6a) and in the day which (cf. Eccl 12,3a). With a strong symbolic language, the wise man Qohelet addresses the young man, exhorting him to the memory of his creators, that is, of God (v.1a), before they reach old age (vv.3-5e) and death (vv.5f-7). The commentary on the pericope was made from the structure identified by the critic of the form. By placing God at the beginning and at the end of the poem (cf. Ecl 12,1.7), and by exhorting the young man to the remembrance of God before old age and death, Qohelet wants to provoke in the young disciple the reflection on the importance of the consciousness of the transience of life and of God as the sole point of absolute support.