There certainly is a time and place for quotes in your blog to book project.
An epigraph is a short quotation, proverb, or poem that suggests the theme of the book which is part of the front matter.
Sometimes the title of a book comes from the epigraph. Sections can be introduced with poignant quotes. A collection of short stories might have an epigraph for each one.
Quotes are often taken from famous literature, Shakespeare, the bible, the poems of Edgar Allan Poe, and so on. The goal is to pique the reader’s interest. It could be done with humor or as foreshadowing.
So many amazing things have already been written that there is bound to be a quote out there that is exactly right for your book. Your job is to find it.
Find an epigraph for your blog to book project.