Start with high-confidence bible quotations books, then narrow by subgenre or adjacent topics.
Peculiar Treasures
Frederick Buechner
The Little Book of Where to Find It in the Bible
Ken Anderson
Wise Words and Quotes
Vernon McLellan, Vern McLellan
The Greatest Words Ever Spoken
Steven K. Scott, Gary Smalley
The Quotable Chesterton
Kevin Belmonte
Spurgeon's Sermons
Charles H. Spurgeon, Charles Haddon Spurgeon
