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Perpetual devotion to what a man calls his business, is only to be sustained by perpetual neglect of many other things.

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At least half the mystery novels published violate the law that the solution, once revealed, must seem to be inevitable.

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There is nothing more dreadful than imagination without taste.

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How vain it is to sit down to write when you have not stood up to live.

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Tact is the knack of making a point without making an enemy.

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History will be kind to me for I intend to write it.

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Charm is the quality in others that makes us more satisfied with ourselves.

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Never grow a wishbone where your backbone ought to be.

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Better keep yourself clean and bright; you are the window through which you must see the world.

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A promise made is a debt unpaid.

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