Answer:
I begin and have no end. Eventually I will be the end of all that has begun.
I cut through evil like a double edged sword and chaos flees at my approach. Balance I single-handedly upraise through battles fought with heart and mind instead of with my gaze.
I spend the day at the window go to the table for meals and hide at night.
I am all around you but you cannot see me. I have no throat but you can hear me. Valued during summer but despised in the winter.
I have been the beginning of ideas for all time yet I am just one simple small object the things that you can use me for can be frustrating and also I can be pretty. I have some of the most valuable thing in the world on me yet almost everyone owns me.
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.