It all started one day in Malaysia while I was traveling around the world, over a bowl of roti canai at a guesthouse breakfast. A fellow traveler, from Britain, who had just come from a India, and I began talking, until he made a statement that seemed so ridiculous, so far-fetched that I refused to believe it could possibly be true.…

In the middle of the wedding, my friend's grandma, a short, stocky, but strong aboriginal Taiwanese woman in her 80s, went up on stage. She grabbed the microphone and, after a short introduction in Mandarin, the dominant language in Taiwan, began a Christian prayer in the Atayal language.

The fluid, slightly raspy words sounded quite different than the varying toned, short-syllables of Mandarin. I was in Taichung, Taiwan, a groomsman at the wedding of my good friend. Here, the…