No such thing, hence the need to quantify it to some extent.
That's my point. Also that one method of quantization is no more relevant than another. One might say a chimp is more important because it is more intelligent, but another may say a Gorilla is more important because it is stronger. Who is right? I think no one, but you may disagree. If you poke a cat it hurts just as much as if you poke a person is part of my point, there isn't a real difference other than individual bias which in this case is is present in the entire population because we are people so we have more of an interest in a person being poked than a cat.