If the benefit to the world is equal, there is no difference between the loss of a finger and the loss of a wr…
If the benefit to the world is equal, there is no difference between the loss of a finger and the loss of a wrist; one need not choose between them. If life and death serve the world equally, then no choice is required.
To kill one person to save the world is not the same as killing a person to benefit the world. But to sacrifice oneself to save the world—that is true sacrifice made to benefit the world.