Use %q to represent single quote



puts %q/Are you sure?/

1.	General Delimited Strings
2.	you don't even have to use single or double quotes to create a string
3.	Use %Q! to create a string
4.	Use pairs of delimiters, such as { and } or < and > when quoting
5.	you can omit the Q altogether
6.	Using quotation marks is only viable for a single line, but if you want to span multiple lines
7.	Another way to build up a long string literal is by using a here document
8.	double quotes interpret escaped characters and single quotes preserve them.

Use %q to represent single quote : String Quotation « String « Ruby