documentclass{article}
usepackage[modulo]{lineno}
begin{document}

begin{linenumbers}
``Hello, here is some text without a meaning. This text should show, how a printed text will look like at this place. If you read this text, you will get no information. Really? Is there no information? Is there a difference between this text and some nonsense like Huardest gefburn? Kjift - Never mind! A blind text like this gives you information about the selected font, how the letters are written and the impression of the look. This text should contain all letters of the alphabet and it should be written in of the original language. There is no need for a special contents, but the length of words should match to the language. Hello, here is some text without a meaning. This text should show, how a printed text will look like at this place. If you read this text, you will get no information. Really? Is there no information? Is there a difference between this text and some nonsense like Huardest gefburn? Kjift - Never mind! A blind text like this gives you information about the selected font, how the letters are written and the impression of the look. This text should contain all letters of the alphabet and it should be written in of the original language. There is no need for a special contents, but the length of words should match to the language.''
end{linenumbers}

As we see in line 4-5 blind texts like this also gives us informations about the selected font.
Also, line 6 tells us about how these texts aloow us to have an impression of its look.
end{document}