[mahmud]

Do you even know when the 19th century was? How can he be the most influential Economist of the 19th century if was only born in 1912?

[fferen]

The two centuries mentioned are the 20th and 21st.

[mahmud]

people edited their posts without signing their changes.

[maratd]

Actually, they didn't.

[Natsu]

To be fair though, I think that almost everyone has made a few off-by-one errors.