This quote emphasizes the importance of knowledge and the role of libraries in its acquisition. The “greatest knowledge” here refers to the understanding of the significance of a library. Libraries, traditionally, have been the storehouses of knowledge, containing a vast array of books, resources, and information on every conceivable subject. Knowing the address of the local library implies the understanding of the value of knowledge and the means to access it.

The quote also suggests that the journey to knowledge starts with knowing where to look. It underscores the idea that the pursuit of knowledge is not just about the end result, but also about the process. Knowing the ‘address of the local library’ is a metaphor for knowing how to access knowledge, how to ask questions, and where to find answers.

In today’s world, this quote can be applied in the context of the internet, which is a modern equivalent of a vast library. Just as knowing the address of a library was crucial in the past, knowing how to effectively use the internet for gaining knowledge is vital today. In personal development, it signifies the importance of being a lifelong learner. It means seeking out resources, asking questions, and never stopping in the pursuit of knowledge.

Therefore, the ‘greatest knowledge’ is not just about facts or information, but about understanding the value of learning, knowing where to find knowledge, and having the curiosity to seek it out. It’s about recognizing that the journey to knowledge is as important as the knowledge itself.