Why does Waverly call chess "a game of secrets in which one must show and never tell"? Why does she love the secrets?

Because chess is a game where you need a real poker face. You have to keep your emotions bottled up inside instead of showing them. Because then your opponent will know that you have a great move in mind or something along those lines. She loves these secrets because she wants to be unlike her mother who is always voicing her opinion. She wants to have her secrets to herself and she can through chess

in paragraph 6 of "sinners in the hands of an angry god" by jonathan edwards, he talks about how doing good things alone will not save men from going to hell because they're at the mercy of the will of god. "spiritual reform" provides men with a false sense of safety.