Thanks to all of you who expressed a clear desire to learn cultural phrases that all citizens should know! I promised to provide such a list for you, but that may be impossible.
However, here's a good start. The following link provides a list of Latin phrases that are common to our culture.
Please visit http://www.associatedcontent.com/article/297925/latin_phrases_everyone_should_know_pg2.html?cat=4
You may research Ed Hirsch's book called CULTURAL LITERACY.
Thanks for your interest and keep up the good work!