To truly cherish the things that are important to you, you must first discard those that have outlived their purpose. And if you no longer need them, then that is neither wasteful nor shameful. Can you truthfully say that you treasure something buried so deeply in a cupboard or drawer that you have forgotten its existence?
The moral duty to be expected in different ages is not a unity of standard, or of acts, but a unity of tendency. At one time the benevolent affections embrace merely the family, soon the circle expanding includes first a class, then a nation, then a coalition of nations, then all humanity and finally, its influence is felt in the dealings of man with the animal world.