"Ah, you may leave here, for four days in space, but when you return, it's the same old place"

The quote you're referring to is from Barry McGuire's tune "Eve of Destruction", a demonstration anthem from the 1960s. This line can be interpreted on a number of levels, showing styles of exploration, escapism, and the unvarying nature of certain human and societal problems.

At its surface area, the lyrics discuss the idea of escapism, the idea that one might physically leave a troubled environment (represented metaphorically here as "4 days in area") however upon returning, find that the underlying problems stay unresolved. This can be viewed as a commentary on the futility of trying to escape from social issues without addressing their roots. The experience of venturing into "area" symbolizes a short-term escape or an interruption. Yet, despite this departure, the issue persists, highlighting the perseverance of certain concerns in remaining the same in time.

Furthermore, this passage highlights the inevitability of challenging reality. No matter how far one travels or how long one attempts to avoid their issues, reality continues. This reflects a sense of disillusionment, typical in McGuire's era, with the failure of technological and clinical improvements to essentially alter the human condition. Despite achievements, like area expedition, and social developments, humankind continues to grapple with the very same social and ethical dilemmas.

Moreover, the "usual location" stimulates a sense of cyclical history, recommending that even as societies advance, they are frequently stuck in recurring patterns, such as dispute, inequality, or environmental deterioration. This realization strengthens the significance of dealing with these fundamental concerns head-on instead of seeking temporary gets away. It implies a call to action, prompting people and societies to work towards significant modification instead of depending on escapism as a service.

The quote's withstanding importance highlights the persistent nature of these conversations, advising more recent generations to stay alert and proactive in resolving the obstacles they face.