His most famous (and most difficult to find) work is simply titled Credo . In it, he lays out the 10 to 15 pillars of his personal philosophy. It is less a book and more a religious text for atheists who still need a cross to bear.
For students of theology and interested laypeople, Sabugal’s writing is often described as dense but rewarding. It is a scholarly resource rather than a light devotional, making it a staple for seminary libraries and serious theological research. Availability