Photo by lenia.
I often talk about Serendipity. People sometimes call me lucky and I don't like that.
Being lucky means sitting at home hoping that one day you win the lottery.
Serendipity is more subtle and requires more effort than luck.
Anyway, here is the earliest use for the word from the Wikipedia entry for Serendipity:
"I once read a silly fairy tale, called The Three Princes of Serendip: as their highnesses travelled, they were always making discoveries, by accidents...