18th century scientists, the French in particular, seldom did things simply if an absurdly demanding alternative was available.
Bill BrysonIf you were designing an organism to look after life in our lonely cosmos, to monitor where it is going and keep a record of where it has been, you wouldn't choose human beings for the job. But here's an extrememly salient point: we have been chosen, by fate or Providence or whatever you wish to call it. As far as we can tell, we are the best there is. We may be all there is. It's an unnerving thought that we may be the living universe's supreme achievement and its worst nightmare simultaneously.
Bill BrysonYou 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 energyโenough 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.
Bill Bryson