The human being is, in fact, that creation whose purpose to have the closest possible relationship with HaKadosh Baruch Hu. Man's essential character is that he lies between perfection on the one hand and all manner of imperfections on the other. Moreover, he has the wherewithal to both remove imperfections and to increase his perfection. However, this movement from his created state to increased perfection must be by his own choice and as a result of his desire to move in that direction. That is, if his choices would always eventually lead to perfection, then he will not come out as the owner of his perfection and HaShem's desire to bestow the greatest good would not be fulfilled. Rather, man must be left equally balanced and given all the information he needs to make an informed decision between his options. He is then allowed to both decide what he wants and then to live out the consequences of that decision. To keep everything in balance, sa...
This is a paraphrase of the pasuk in t'hillim 84:7 -- "mei'chayil el chayil" -- which means "from strength to strength". In this case, it is my thoughts and ideas to those who are strong enough to be interested :)