If one sticks too rigidly to one's principles, one would hardly see anybody.

Plots come to me at such odd moments, when I am walking along the street, or examining a hat shop… suddenly a splendid idea comes into my head.

I suppose it is because nearly all children go to school nowadays and have things arranged for them that they seem so forlornly unable to produce their own ideas.

... obsessions are always dangerous.

I often wonder why the whole world is so prone to generalise. Generalisations are seldom if ever true and are usually utterly inaccurate.

Is there ever any particular spot where one can put one's finger and say, "It all began that day, at such a time and such a place, with such an incident?

No sign, so far, of anything sinister—but I live in hope.