We have previously discussed Emerson as well as his series of famous essays.  It would be of some worth to go back and review this material.  For the time being, I would like to recommend the following as a great source to obtain Emerson’s complete essays:

http://www.transcendentalists.com/emerson_essays.htm

Essays and English Traits,  Essay XII: Manners may also be read here:

http://www.bartleby.com/5/112.html

Alternatively, it may be listened to in an audiobook format here:

https://www.youtube.com/watch?v=jU56pSHOBvs