Yes, obviously I had to go to the site to learn that. I meant, there was no indication on HN. I guess I commented because I was disappointed - I read a lot of stuff from the 16th-19th C, and hadn't heard the title before, so I expected something 'new'.

It's not a fragment, it's someone's selection from Pascal's book, one of the most famous books of aphorisms, if not the most famous. It's not Pascal's title.