Quote Originally Posted by Bava Kamma 83b
One who injures a fellow man becomes liable to him for five items: for depreciations, for pain, for healing, for loss of time and for degredation. How is it with 'depreciation'? If he put out his eye, cut off his arm or broke his leg, the injured person is considered as if he were a slave being sold in the market place, and a valuation is made as to how much he was worth previously and how much he is worth now.
Everything has a value.