In those days kitchen matches were heavy-duty implements—more like signal flares than the weedy sticks we get today. You could strike them on any har… - Bill Bryson

It is natural human impulse to think of evolution as a long chain of improvements, of a never-ending advance towards largeness and complexity — in a word, towards us. We flatter ourselves. Most of the real diversity in evolution has been small-scale. We large things are just flukes — an interesting side branch.

You may not feel outstandingly robust, but if you are an average-sized adult you will contain within your modest frame no less than 7 X 10^18 joules of potential energy — enough to explode with the force of thirty very large hydrogen bombs, assuming you knew how to liberate it and really wished to make a point.

I mused for a few moments on the question of which was worse, to lead a life so boring that you are easily enchanted or a life so full of stimulus that you are easily bored. But then it occurred to me that musing is a pointless waste of anyone's time, and instead I went off to see if I could find a Baby Ruth candy bar, a far more profitable exercise.