John Cleveland

Cain slew Abel. On that much the Torah and the Bible and the Qur'an agree, although in the Qur'an these first sons of Adam and Eve are Qabeel and Habeel. Cain, which is to say Qabeel, wandered eastwards from Eden to the Land of Nod with a mark of some kind on him, a curse.

Software options proliferate extremely easily - too easily, in fact - because too many options create tools that can't ever be used intuitively. Intuitive actions confine the detail work to a dedicated part of the brain, leaving the rest of one's mind free to respond with attention and sensitivity to the changing texture of the moment.