1716She was once on a train, when a teenager, and began talking to other youths from her town. They asked what her private school was like, and she confessed to being miserable there. One girl then replied with this SOTM.

"It absolutely floored me because it made me realise I didn't know how lucky I was," she says in her audio clip. Sadly, our subject later learned that the girl who told her this quote had died.

Taken in Soho, London, UK.