18 OCTOBER 1986, Page 5

TO THE WALL

THE Queen's visit to the Great Wall of China brings to mind this passage from Boswell's Life of Johnson: '10 April 1778. He talked with an uncommon animation of travelling into distant countries; that the mind was enlarged by it, and that an acquisition of dignity of character was derived from it. He expressed a particular enthusiasm with respect to visiting the wall of China. I catched it for the moment, and said I really believed I should go and see the wall of China had I not children, of whom it was my duty to take care. "Sir, (said he,) by doing so, you would do what would be of importance in raising your children to eminence. There would be a lustre refelected upon them from your spirit and curiosity. They would be at all times regarded as the children of a man who had gone to view the wall of China. I am serious, Sir." '