Well, if it's not going to change, you make it a constant.
Constants in ruby are in uppercase.
MY_ARRAY = ['why should', 'I have to copy this', 'every time i want
to use > it']
Normally this should be enough, but if you want to go extra safe you
can freeze it, since an array is an object (http://www.ruby-doc.org/
where to put it in Rails: one option is to declare it in a file in the
lib directory. Rails loads what is in lib.
To make sure it will never conflict with any other, you could put it
into a module, and call it as
Richard Schneeman wrote: