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.

Eliminate all other factors, and the one which remains must be the truth.

You cannot see the lettuce and the dressing without suspecting a salad.

Steel True, Blade Straight.

Before turning to those moral and mental aspects of the matter which present the greatest difficulties, let the inquirer begin by mastering more elementary problems.

I have heard, Mr. Holmes, that you can see deeply into the manifold wickedness of the human heart.

The goose we retained until this morning, when there were signs that, in spite of the slight frost, it would be well that it should be eaten without delay. Its finder has carried it off therefore to fulfil the ultimate destiny of a goose.