Meaning: This quote by Louis-Ferdinand Celine, a French writer known for his controversial and provocative works, reflects a sentiment that is both critical and introspective. Celine, who lived through the tumultuous period of the 20th century, including two world wars and significant social and cultural upheavals, often expressed disillusionment with the state of humanity and the impact of historical and religious influences on individual perception.

The quote begins with the assertion that a man, after two thousand years of Christianity, is unable to witness a regiment of soldiers marching without experiencing a profound psychological reaction. This reaction is described as "going off the deep end," indicating a loss of composure or a descent into irrationality. The implication is that the historical weight of Christianity, with its complex and often contradictory doctrines, has so deeply permeated the collective consciousness that it significantly shapes individual responses to external stimuli.

The phrase "two thousand years of Christianity behind him" alludes to the enduring legacy of Christianity and its pervasive influence on Western civilization. It suggests that the long history of Christian ideology has left an indelible mark on the psyche of individuals, shaping their perceptions and emotional responses in ways that are not immediately apparent.

The reference to a "regiment of soldiers" marching past serves as a specific trigger for the man's reaction. This imagery evokes notions of power, authority, and potentially conflict, all of which are deeply intertwined with historical and religious narratives. The quote implies that the sight of such a display ignites a cascade of thoughts and associations within the man's mind, overwhelming his capacity for detached observation.

The final assertion that the sight of soldiers marching "starts off far too many ideas in his head" encapsulates the essence of the quote. It suggests that the intersection of historical conditioning and present experience generates an excessive mental burden for the individual, leading to a state of cognitive overload or emotional disturbance.

Celine's perspective, as reflected in this quote, can be interpreted as a critique of the enduring psychological impact of religious and historical constructs on the human psyche. It raises questions about the extent to which individuals are truly free from the collective weight of cultural and religious heritage, and the ways in which these influences continue to shape and constrain human perception and behavior.

Furthermore, the quote invites contemplation on the broader implications of historical and religious conditioning in shaping societal attitudes, prejudices, and conflicts. It prompts consideration of the ways in which deeply ingrained beliefs and narratives can manifest in unexpected and profound ways, influencing individual and collective responses to the world around them.

In conclusion, Louis-Ferdinand Celine's quote encapsulates a provocative exploration of the enduring influence of Christianity and historical conditioning on individual consciousness. It serves as a thought-provoking commentary on the complex interplay between historical narratives, religious legacies, and the psychological landscape of human experience.