"Violence does, in truth, recoil upon the violent, and the schemer falls into the pit which he digs for another."

"Singularity is almost invariably a clue. The more featureless and commonplace a crime is, the more difficult is it to bring it home."

"There is nothing more deceptive than an obvious fact."

"Of all ghosts the ghosts of our old loves are the worst."

"There is one thing even more vital to science than intelligent methods and that is, the sincere desire to find out the truth, whatever it may be."

"Truth stands, even if there be no public support. It is self-sustained."

"It is a steadfast truth that a heart touched by genuine kindness never loses its warmth."

"Most of us are consumed with our own thoughts and desires and are not always thinking about what other people may want. This is not necessarily being egocentric; it is just being human."