I’m currently using some macros to help writing the Dissertation, here’s a few that are simple and useful:
%My own command Macros (PedroLopes)
This one allows you to define a closed style for quotes.
This forces the cite command to use  style for references instead of (1) that the book template uses.
These are a forcing of the super and subscript command, allows you to write in those styles easily.
Even more easily \th, \st, \nd, and \rd does the obvious (2nd, 3rd and so 4th)