Bible verses appropriate for a baby shower include Psalm 127:3, "Children are a gift from the Lord; they are a reward from him." Psalm 139:13 is also commonly quoted: "You made all the delicate, inner parts of my body and knit me together in my mother’s womb."
Other common Bible references used at baby showers include Psalm 8:2, 1 Samuel 1:27 and Proverbs 22:6. When searching for Bible verses for a baby shower, one can do a topical search in a concordance, which is often located in the back pages of a Bible, or on an online Bible resource such as OpenBible.info. Keywords can include "children," "womb" or "Thanksgiving." If the mother-to-be has a favorite verse, this could be used as well, regardless of its specific connection to child-focused verses.
For those who are looking for non-religious sentiments for a baby shower, poetry about children is appropriate. PoemSource.com offers lists of poems on a variety of topics, including original baby poems. Classic children's poems such as those by A.A. Milne or Robert Graves are often whimsical in tone and could fit with a specific theme of a baby shower. Well-known nursery rhymes such as "Jack and Jill" or "Hey Diddle Diddle" can be used to accompany a baby shower theme as well.