Arthur Conan Doyle about light (“The Hound of the Baskervilles”, 1902) - It may be that you are not yourself luminous, but you are a conductor of light. Some people without possessing genius have a remarkable power of stimulating it.
pick reportpicture source

It may be that you are not yourself luminous, but you are a conductor of light. Some people without possessing genius have a remarkable power of stimulating it.
 Arthur Conan DoyleThe Hound of the Baskervilles (1902). copy citation

Meaning and analysis

write a note