Ορισμός και Σημασία του "[hold|stand] (fast|firm)"

What is the origin of the idiom "hold fast" and when to use it?

The idiom "hold fast" originates from nautical terminology and refers to the action of keeping a ship in a fixed position despite external forces, such as strong winds or turbulent waters. It conveys the idea of maintaining a steadfast and unwavering position, often in the face of challenges or opposition. The phrase is primarily used to emphasize the importance of resilience, determination, and not yielding under pressure.