"This is the famous Osaka no seki where those who leave for Togoku (the eastern part of Japan, particularly Kanto region) from the capital and those who go back part ways, and people who know each other and do not know each other meet here."
「これやこの　行くも帰るも分かれつつ　知るも知らぬも逢坂の関」（百人一首の札では“行くも帰るも分かれては”となっている）。