bridge over troubled water

The phrase "bridge over troubled water" is a metaphor that signifies providing support and comfort during difficult times. It suggests that one person is offering help to another who is experiencing challenges or emotional turmoil. The lyrics convey a promise of unwavering support and emotional availability, emphasizing the importance of being there for someone in need.
American Songwriter

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BRIDGE TOO FAR

The phrase "a bridge too far" refers to an attempt to achieve something that is beyond what is reasonable or realistically achievable, often implying that such an attempt may lead to failure or significant consequences.
It originated from a military operation during World War II, specifically the Battle of Arnhem in 1944, where the goal was deemed overly ambitious.
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The idiom is commonly used to describe actions that are too ambitious or drastic to be realistic.
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It can also refer to plans whose ambition exceeds capability, potentially leading to difficulties or failure.
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This expression serves as a caution against overreaching in one's goals or plans.