They've sparred with the media throughout their career and, out of repeated interviews, a ritual has evolved.
The ritual has evolved and is evolving over the years but has not changed much.
And so elaborate rituals have evolved for his golfing excursions.
These rituals and beliefs eventually evolved over time into the vast array of "developed" religions.
This elaborate ritual evolved after seppuku had ceased being mainly a battlefield or wartime practice and became a para-judicial institution.
But on those worlds such ritual inevitably evolved into some form of religious ecstasy.
"It's not as if old rituals are evolving to absorb new needs," he said.
In addition to the philosophical concepts and mythology, the rituals of Ayyavazhi evolved in their own way.
Hill's tends toward the bitter more than the sweet, which is why the ritual of adding sugar to the drink evolved.
The loud, public ritual evolved to a form of social coercion, for instance, to force an as-yet-unmarried couple to wed.