To pound the objects of sentiment into small dust, yet keep sentiment alive and active, was something like the famous recipe for making cannon--to first take a round hole and then enclose it with iron; whatever you do keeping fast hold of your round hole. 
To pound the objects of sentiment into small dust, yet keep sentiment alive and active, was something like the famous recipe for making cannon - first take a round hole and then enclose it with iron; whatever you do holding fast to the hole.
