"The heart, when it is deprived of its essential nourishment (Iman and Qur’an), becomes ill just as the body becomes ill without food."

Also, check audio platforms (YouTube/Spotify). Many reciters have produced full audio books of The Disease and the Cure . While not a PDF, listening to the audio while following a sample text is a great way to study.

To give you a taste of why this book is so sought after, here is a translated excerpt regarding the psychological weight of sin: