"Pleasure and pain, though directly opposite, are yet so contrived by nature as to be constant companions; and it is a fact that the same motions and muscles of the face are employed both in laughing and crying."

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Training is a good dog, a constant companion and an utterly loyal and devoted friend, and everyone should have one. Education is a nagging counselor. And, I am convinced, everyone does have one. It happens, however, that some nagging counselors have grown strong by a certain kind of nourishment. Others are weak and puny, even infantile, having never been nourished at all.

— Richard Mitchell