This quote suggests the importance of the pulpit, a platform or stand used in preaching or conducting a worship service, typically in a church. In essence, it is a metaphor for religious or spiritual guidance. Mark Twain is saying that we could more easily do without the sun or the moon, essential elements for life on earth, than without the guidance and moral compass that the pulpit provides. He is emphasizing the critical role of moral and spiritual leadership in our lives.

In today’s world, the quote can be interpreted more broadly to encompass not just religious guidance, but any kind of moral or ethical guidance. This could come from a variety of sources, such as teachers, mentors, books, or even personal introspection. Given the many ethical dilemmas and moral complexities of modern life, such guidance is crucial.

In terms of personal development, this quote underscores the importance of having a moral or ethical compass to guide one’s actions and decisions. This compass can help us navigate through life’s challenges and dilemmas, and can shape our character and personal growth. It suggests that we should prioritize developing and refining our moral and ethical compass, perhaps even more than our pursuit of material or worldly success.