Ecclesiastes (/ɪˌkliːziˈæstiːz/; Greek: Ἐκκλησιαστής, Ekklēsiastēs, Hebrew: קֹהֶלֶת, qōheleṯ) is one of 24 books of the Tanakh or Hebrew Bible, where it is classified as one of the Ketuvim (or "Writings"). Originally written c. 450-180 BCE, it is among the canonical Wisdom Books in the Old Testament of most denominations of Christianity. The title Ecclesiastes is a Latin transliteration of the Greek translation of the Hebrew Kohelet (meaning "Gatherer", but traditionally translated as "Teacher" or "Preacher"), the pseudonym used by the author of the book.
The book is a musing by a King of Jerusalem as he relates his experiences and draws lessons from them, often self-critical. The author, introducing himself as the son of David, discusses the meaning of life and the best way to live. He proclaims all the actions of man to be inherently , meaning "vain" or "futile", ("mere breath"), as both wise and foolish end in death. Kohelet clearly endorses wisdom as a means for a well-lived earthly life. In light of this senselessness, one should enjoy the simple pleasures of daily life, such as eating, drinking, and taking enjoyment in one's work, which are gifts from the hand of God. The book concludes with the injunction: "Fear God, and keep his commandments; for that is the whole duty of everyone" (12:13).