The document discusses the history and symbolism of the Rough Ashlar and Perfect Ashlar in Freemasonry. It explores how the symbols have evolved over time, with the Broached Thurnel being replaced by the Perfect Ashlar. The Rough Ashlar represents man in his untutored state, while the Perfect Ashlar symbolizes man as educated and refined. The shaping of the Rough Ashlar into a Perfect Ashlar through skill, tools, and a plan is seen as representing the moral and spiritual development of man.