Darwin's book was rather heavy, but by close application, the young student thought he learned what the scientist was "driving at." This book disturbed him somewhat.

There seemed to be much truth in it, but also some things which did not agree with what he had been taught to be true.

In this he realized his lack of knowledge.

More knowledge must clear up any seeming contradiction, he reasoned.

Ingersol was more readable, snappy, witty, hitting the Bible in a fearless way.
Dorian had no doubt that all of Ingersol's points could be answered, as he himself could refute many of them.
One day as Dorian was browsing as usual in a book store he came across a cheap copy of Drummond's "Natural Law in the Spiritual World," the book which he had given Uncle Zed.