“I visualized myself pulling on my mental thinking cap, jamming it down around my ears as I had taught myself to do. It was a tall, conical wizard's model, covered with chemical equations and formulae: a cornucopia of ideas.”

“Whenever I'm out-of-doors and find myself wanting to have a first-rate think, I fling myself down on my back, throw my arms and legs out so that I look like an asterisk, and gaze at the sky. ”

“I felt a pang -- a strange and inexplicable pang that I had never felt before. It was homesickness. Now, even more than I had earlier when I'd first glimpsed it, I longed to be transported into that quiet little landscape, to walk up the path, to take a key from my pocket and open the cottage door, to sit down by the fireplace, to wrap my arms around myself, and to stay there forever and ever.”

“I had long ago discovered that when a word or formula refused to come to mind the best thing for it was to think of something else: tigers for instance or oatmeal. Then when the fugitive word was least expecting it I would suddenly turn the full blaze of my attention back onto it catching the culprit in the beam of my mental torch before it could sneak off again into the darkness.”

“Although it is pleasant to think about poison at any season, there is something special about Christmas, and I found myself grinning.”

“I had once repeated the experiment to reassure myself that this was so, and it was. Ashes to ashes; starch to sugar. A little window into the Creation”

“My head was spinning. I could think of nothing better to calm it down than the Oxford English Dictionary.”