The striving of his spirit in Torah study is eliminates the yetzer hara of worshipping false values. These matters go to the deepest levels of wisdom, and we will not elaborate here, since they have been explained in other places. We have discussed these ideas in our classes on Chapter 1, Mishna 2. Due to the fact that he lacks work, which is a componenet of man's completion, if the Torah is not accompanied by work, man lacks something which befits him. Something which has a deficiency draws to it other deficiencies.
Sin is the ultimate deficiency, which is drawn ot something which lacks perfection.
Therefore, we are taught that it is ultimately nullifed and drags in sin, which is what happens to something which maintains and inadequacy. Alternatively, there were special individuals who had such an affection for and a devotion to Torah that there Torah could be maintained without the accompaniment of and see work.