Examples of use of holy grail
1. Holy grail The holy grail would be the ability to achieve all of our scientific purposes without using any animals at all.
2. The Higgs boson is the Holy Grail of particle physics.
3. "It‘s the holy grail of deep sea animals," he said.
4. They also associate Magdalene with the Holy Grail.
5. "Choice" is the Holy Grail of the global consumer economy.