Imagine a cup that has extraordinary magical power — that is what the grail is. The Holy Grail, according to legend, is the very cup from which Jesus Christ drank at the Last Supper. Legends claim that it bestows great wealth upon its owner and can even grant eternal life. That is why many knights and adventurers have sought to find it.
This theme has become legendary due to various stories that emerged in the Middle Ages. For example, about the knight of King Arthur — Percival, who set out in search of the Holy Grail. In fact, there is no concrete evidence that this grail actually existed, but the tales about it continue to inspire people to this day. It's like the movies about Indiana Jones — he too sought the Holy Grail in his adventure films.
Thus, the grail is something like a symbol that represents an ideal that everyone strives for. It has become not only a religious artifact but also an important part of culture and art. It is a great example of how legends can live for centuries, even if they start with a simple cup.
As an idiom, it is used in the meaning of:
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“higher purpose”
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“unattainable ideal”
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“object of a long and arduous search”
Examples of usage: “Artificial intelligence capable of thinking like a human is the Holy Grail of modern science.”
“For startups, a million in investments is the Holy Grail.”
“The Holy Grail of journalism is to find the scandalous truth that will change society.”
This idiom adds a sense of solemnity to the language and emphasizes the scale of the goal or search. It is used in science, technology, culture, business — everywhere there is a striving for the “impossible.”