mystery
“It does not do harm to the mystery to know a little more about it.”
“Give me a mystery—just a plain and simple one.”
“Believe nothing you hear, and only one half that you see.”
“The boundaries which divide Life from Death are at best shadowy and vague.”
“The impossible could not have happened, therefore the impossible must be possible in spite of appearances.”
“Instinct is a marvelous thing. It can neither be explained nor ignored.”
“Very few of us are what we seem.”