It sometimes strikes me that the whole of science is a piece of impudence; that nature can afford to ignore our impertinent interference. If our monkey mischief should ever reach the point of blowing up the earth by decomposing an atom, and even annihilated the sun himself, I cannot really suppose that the universe would turn a hair.

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Noise is the most impertinent of all forms of interruption. It is not only an interruption, but is also a disruption of thought.

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The natural effort of every individual to better his own condition is so powerful that it is alone, and without any assistance, capable not only of carrying on the society to wealth and prosperity, but of surmounting 100 impertinent obstructions with which the folly of human laws too often encumbers its operations.

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Rhymes, meters, stanza forms, etc., are like servants. If the master is fair enough to win their affection and firm enough to command their respect, the result is an orderly happy household. If he is too tyrannical, they give notice; if he lacks authority, they become slovenly, impertinent, drunk and dishonest.

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There are two insults no human will endure. The assertion that he has no sense of humor and the doubly impertinent assertion that he has never known trouble.

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I don't think it is given to any of us to be impertinent to great religions with impunity.

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