Use "philosopher's stone" in a sentence

1. The same passion which has suggested to so many people the absurd idea of the philosopher's stone, has suggested to others the equally absurd one of immense rich mines of gold and silver

2. My second big project was to discover or create the source of immortality: the Philosopher's Stone

3. Singularity is the Philosopher's Stone attractor of a technological explosion; its exponentially increasing population has a Game's End final solution: the sparking of the Divine Teme, the birth of the Nano Messiah, the creation of the Techno-God – the superintelligent machine-making machine