The Longest Psalm, Psalms of Ascent, and a word about uncleanliness in Leviticus You might know that Psalm 119 is the longest chapter in the Bible, but did you know it has a unique structure organized according to the Hebrew Alphabet? What is the purpose of the Psalms of Ascent, and how can these Psalms encourage us? And in Leviticus, why are there different times of uncleanliness for women if they give birth to a girl versus if they give birth to a boy?