"The greatest gift that you can give to others is the gift of unconditional love and acceptance."

"Heaven is to me as definite a world as Europe or the United States."

"It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts."

"I have a lot of sympathy for criminals, but none for fools."

"Detection is, or ought to be, an exact science and should be treated in the same cold and unemotional manner."