"I have always been fond of children. I have always been fond of animals. I have always been fond of nature."

"The young people of today think of nothing but themselves. They have no respect for their elders, no sense of responsibility. And they are so rude!"

"To rush into explanations is always a sign of weakness."

"Good advice is always certain to be ignored, but that's no reason not to give it."

"It is ridiculous to set a detective story in New York City. New York City is itself a detective story."