Thank and please express your opinion about it

okay, first of all, thanks to my sis for teaching me how want to create a blog,
I saw other people all say that at this blog to make money, can spread an ideology or propaganda, but I did not know how this site can generate money, so I asked some of people that may know what they think about how blog can be generate money, so if there are any opinions about how this blog can make money and add some of fun, can comment and express your opinion about,please teach me, anyway do not eat food that will feed you back.This picture is from http://www.rob-sheridan.com