"Where ignorance is bliss it's foolish to borrow your neighbor's newspaper"

This quote is recommending that it is silly to attempt to gain knowledge when ignorance is bliss. Simply put, if you are content with not knowing something, it is unworthy the effort to attempt to learn it. It is also suggesting that it is unworthy the effort to attempt to acquire understanding from someone else, such as obtaining a newspaper from a neighbor. The quote is recommending that it is better to stay ignorant and content than to try to gain knowledge from someone else. It is likewise suggesting that knowledge can be a problem, and it is better to stay ignorant than to attempt to acquire knowledge from someone else. The quote is a suggestion that it is not always essential to get understanding, and that often it is better to stay ignorant and material.