“You gave too much rein to your imagination. Imagination is a good servant, and a bad master. The simplest explanation is always the most likely.”

“To rush into explanations is always a sign of weakness.”

“People who can be very good can be very bad too.”

“A woman who doesn't lie is a woman without imagination and without sympathy.”

“Unless you are good at guessing, it is not much use being a detective.”

“We are ready to despair too soon, we are ready to say, ‘What’s the good of doing anything?’ Hope is the virtue we should cultivate most in this present day and age.”

“When engaged in eating, the brain should be the servant of the stomach.”