Cloning represents a very clear, powerful, and immediate example in which we are in danger of turning procreation into manufacture.
I sailed a bit as a child, but it wasn't until I was around 40, when I was halfway through Patrick O'Brian's 'Master and Commander' novels, that I had the sudden epiphany that I had to go sail on a square-rig ship.
Good writers are in the business of leaving signposts saying, Tour my world, see and feel it through my eyes; I am your guide.

