The meaning of free will is that a person chooses his own goal (dream) and begins to grow towards it, entering the path of improvement. Initially, a person is perfect for their tasks, but choosing a new goal, they take a step into imperfection and get the opportunity to grow again, feeling the joy of endless growth.
I'm not perfect. Because perfection is dead and I am alive. Moreover, I am very imperfect, because I grow daily, and there is no limit to my growth. I cannot be perfect, because perfection is the best that has lost the joy of growth.
Experience makes us better. I have recently been banished from my old place, and I have come to two new places at once, and each of the new places has made me in some way smarter, more perfect, and stronger.
The concept of " being perfect as the Lord God» it means to be perfect in love. In practice, this is expressed in the love of your work, skill, dream, truth, children, the world around you, and everything that a person loves.