The Beauty of What We'll Never Know

This is Pico Iyer in one of his three Ted Talks.

https://www.ted.com/talks/pico_iyer_the_beauty_of_what_we_ll_never_know

         "So when we said goodbye that night, I realized he had also shown me the secret point of travel, which is to take a plunge, to go inwardly as well as outwardly to places you would never go otherwise, to venture into uncertainty, ambiguity, even fear." 

Where is home?

https://www.ted.com/talks/pico_iyer_where_is_home