Many homicidal lunatics are very quiet, unassuming people. Delightful fellows.

These little grey cells. It is up to them.

Rest assured," said Hercule Poirot. "I am the best!

It takes more than a printed notice to keep you from reality. . . . We've only one life to live.

Very few of us are what we seem.

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