Summary
This quote suggests that in order to be a proficient diarist, it is essential to possess an inquisitive and observant mind. The use of the words "snouty" and "sneaky" implies that a diary writer should have a tendency to delve deep into their thoughts and surroundings, constantly seeking out hidden details and pursuing a thorough understanding of their experiences. This mindset allows for a comprehensive and reflective documentation of one's life and thoughts within a diary.