The initial statement presents a metaphorical depiction of a past state, contrasting with a potentially different present condition. The phrase evokes a time when the atmospheric environment, as perceived visually, lacked illumination and clarity, resembling a heavy, obscuring covering. This could be interpreted literally, suggesting a period of significant atmospheric opacity, or figuratively, representing a lack of knowledge, understanding, or progress.
The significance of this initial condition lies in its stark contrast with the potential for subsequent changes. Understanding the circumstances that led to this “dark blanket” allows for investigation into the processes that may have altered it. This can illuminate the evolution of atmospheric conditions, the advancement of knowledge, or the progress achieved in overcoming limitations. The historical context, whether literal or figurative, provides a baseline against which to measure advancement and understand the factors contributing to any subsequent transformation.