-Word Choice "Unicellular bacteria have no hearts at all; but even they have fluid eternally in motion, washing from one side of the cell to the other, swirling and whirling. No living being is without interior liquid motion." This thought provoking sentence helps the reader think about not only humans, but how specimen as small as bacteria all have inner spirituality and connection to life. Each organism has personal experiences which play a huge role in ones character development. People learn from their past and their pasts is what ultimately helps them make instinctive future decisions. 

-Polysyndeton "You can brick up your heart as stout and tight and hard and cold and impregnable as you possibly can and down it comes in an instant..." Doyle repetitively uses the word "and" in order to place emphasis on the basic nature of a human being. He wishes for the audience to understand that no matter how strong a front someone puts up, it will gradually come down with trust and time. Over time as that trust is lost, humans will put back up that strong barrier to try and protect their emotions, but it will eventually come back down again. He tries to convey how life will continue to go on, but the real obstacle is living it in a way that won't be regretted,.