Tristan Brooks
Tristan Brooks voted up HappyTwo BeHereTwo's answer

The best final sentence is memorable and communicates a sense of closure.  For symmetry, many like to restate the the main idea, but be careful not to use redundant phrases like, "In conclusion,".  The fact that it's the last sentence is obvious to the reader. 

Some tantalize with a hint of larger implications.  Some use … Read more