Meaning: This quote, attributed to C.S. Lewis, speaks to the idea that the middle years of a person's life, characterized by a sense of routine, complacency, and perhaps even a lack of fulfillment, can be fertile ground for spiritual and moral challenges. C.S. Lewis, a renowned Christian apologist and author, often explored themes related to human nature, morality, and the spiritual journey in his works. This particular quote reflects his keen insight into the human condition and the potential spiritual pitfalls that can arise during middle age.

During middle age, individuals often find themselves settled into a routine, whether it be in their careers, relationships, or personal pursuits. The quote suggests that this period of relative stability and comfort can make people susceptible to the influence of negative forces, metaphorically represented as "the devil." In other words, when individuals are not actively engaged in the pursuit of personal growth, moral development, or spiritual fulfillment, they may become more vulnerable to temptation and moral compromise.

The notion of "campaigning weather" for the devil implies that these middle years provide an opportune environment for the devil to carry out his metaphorical campaign or agenda. This could involve sowing seeds of discontent, fostering complacency, or tempting individuals away from their moral or ethical principles. The idea is that when life becomes routine and lacks the challenges and uncertainties that often accompany youth or old age, individuals may become more susceptible to moral and spiritual stagnation.

From a psychological perspective, middle age is often associated with a period of reflection and evaluation. It is a time when individuals may reassess their accomplishments, goals, and overall satisfaction with life. However, this stage of introspection can also be fraught with feelings of disillusionment or a sense of unfulfilled potential. These emotional and existential struggles can create an internal vulnerability that the quote suggests may be exploited by negative influences.

In the context of C.S. Lewis's Christian worldview, the quote also carries a theological significance. The concept of the devil as a spiritual adversary aligns with the Christian belief in the existence of evil forces that seek to lead individuals astray from the path of righteousness. Thus, the quote can be interpreted as a cautionary reminder of the ongoing spiritual battle that individuals may face, particularly during periods of relative comfort and complacency.

Overall, the quote serves as a thought-provoking reflection on the potential moral and spiritual challenges that can arise during middle age. It underscores the importance of remaining vigilant and proactive in the pursuit of personal growth, moral integrity, and spiritual fulfillment, even during times of relative stability and routine. It also highlights the timeless relevance of C.S. Lewis's insights into the human condition and the perennial struggle between good and evil.