"Men honor what lies within the sphere of their knowledge, but do not realize how dependent they are on what lies beyond it"

This quote suggests that people tend to worth and esteem things that they understand and understand well, but they typically fail to recognize the significance of things that lie beyond their knowledge and understanding. It recommends that humans are restricted in their understanding and awareness, which they must often depend on sources of understanding and experience that are beyond their instant understanding in order to really value the world around them. Simply put, the quote is a pointer that there is constantly more to discover and discover about deep space, which we must stay unbiased and curious in order to grow as individuals and as a society.