The significant digit anecdote reminds me: why does the Dow Jones giver their average with 2 decimal points?

I do have a couple of problems, though

1) It is written: "The first virtue is curiosity." - Written by whom? 2) …curiosity is an emotion… - says who? 3) To seek truth merely for its instrumental value may seem impure… – Why? To whom? 4) If we want the truth, we can most effectively obtain it by thinking in certain ways – and if you think the way I tell you to think, you’ll wind up with my truth