A message, in a text reported found as instructions for the September 11 hijackers, and maybe read a few hours before the two Boeing 767s attacked the twin towers of the World Trade Center: "make your knife sharp, and do not discomfort your sacrifice during the slaughter". It reminds me of part of my childhood, when I was taught to kill a chicken. I recall that the butchers on the Day of Sacrifice also make their blades extra sharp, and slit the ne...