Last night I became a grandfather. Naomi Yin-Leng was born to my daughter in law Charmayne and son Nick in Sydney at around 11 pm our time, and suddenly the world is no longer the same. Thirty something years ago Nick was born in Christchurch, the first of our three, and the world changed then, too. Up until the moment he came blue and reluctant into the world he had been a possibility: a squirming bulge in Clemency's body. He had been imagined and read about and even viewed as a grey fuzzy blob using the steam and treadle powered ultrasound scanning machines of the 1980s; but nothing, absolutely nothing had prepared me for the experience of holding my first born, and looking into his eyes and having a person look back. In that instant the whole miracle of Being presented itself; in the space of nine months the exquisite machinery of a human body had been formed, but more astonishingly still, a consciousness was now present within it. In that instant the boundaries of my self co...