The knowledge argument. The line of reasoning that there exists knowledge that can only be gained through personal experience. The presumption that reading every book about colour ever written, as insightful an experience as that would be, would still leave you without the final piece. That oh-so important last piece of the puzzle that could only be attained through seeing colour yourself.
With this thought in hand, and an empty rifle by my feet, I ask you Sir; what is death, truly? Will we ever know?