Knowing good from evil is innate.
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So is the will to live. It is innate. Our bodily movement demonstrates life and a force towards life. The body and mind or one. One cannot live without the other. Terri doesn't have to speak for me to see her will to live. Likewise, I don't have to communicate with a dog in order to see it's life force and sense a will to live. In Terri's case more mercy is given to a dog than Terri.
This is a sad day.. Next year when Bush pardons his Thanksgiving Turkey and I'll see that turkey's will to live and how Terri's life was less worthy than that turkey.
Next year ,..
Corrected- This year...
Precisely. It's called Natural Law. If you haven't read John Locke's "Second Treatise on Government", I invite you to do so. It isn't long. It's where Jefferson got most of the ideas he put down in the Declaration of Independence. The upshot is that any corporeal law that countermands Natural Law is illegitimate on its face.