never the twain shall meet

The idiom "never the twain shall meet" expresses the idea that two things or groups are so different or incompatible that they could never come together or find common ground. It is often used to emphasize the irreconcilable differences and the impossibility of reaching an agreement between two opposing sides. This idiom is adapted from a line in Rudyard Kipling's poem "The Ballad of East and West," where he highlights the cultural differences between East and West, suggesting that their paths will never intersect or merge.

One of the most common applications of this idiom is in reference to cultural or societal differences. It is used to describe situations where two cultures, traditions, or ways of life are so fundamentally different that they are incapable of coexisting harmoniously. For example, when discussing different religions, customs, or practices that are seen as incompatible or in conflict with one another, we can say that they "couldn't be more different" and "never the twain shall meet." These two idioms convey the idea that their differences are profound and they are unlikely to find common ground.

The idiom can also be used in a more general sense to describe any situation where two entities or ideas are diametrically opposed and unable to reconcile their differences. This can apply to personal relationships, political ideologies, business strategies, or any other context where two sides are unable or unwilling to find common ground. When describing such situations, we can use the idiom "never the twain shall meet" to highlight the deep divide and the unlikelihood of finding any commonality.

While the idiom suggests a sense of finality and impossibility, it does not inherently mean that there can never be any sort of interaction or understanding between the two parties. It simply emphasizes the extreme difficulty or unlikelihood of such a union occurring. In some cases, it may still be possible for the two parties to find some level of interaction or understanding, but the idiom serves as a reminder that their differences are vast and bridging the gap between them is exceedingly challenging.