The sky was of the deepest blue, with a few white, fleecy clouds drifting lazily across it, and the air was filled with the low drone of insects or with a sudden sharper note as bee or bluefly shot past with its quivering, long-drawn hum, like an insect tuning-fork.

When once your point of view is changed, the very thing which was so damning becomes a clue to the truth.

I fear that if the matter is beyond humanity, it is certainly beyond me.

Our ideas must be as broad as Nature if they are to interpret Nature.

He had never seen a woman doctor before, and his whole conservative soul rose up in revolt at the idea. He could not recall any biblical injunction that the man should remain ever the doctor and the woman the nurse, and yet he felt as if a blasphemy had been committed.

It is quite a three pipe problem, and I beg that you won't speak to me for fifty minutes.

[Sherlock Holmes:] The temptation to form premature theories upon insufficient data is the bane of our profession.