Man is the most intelligent of the animals - and the most silly. -Diogenes

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The sun, too, shines into cesspools and is not polluted. -Diogenes

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The foundation of every state is the education of its youth. -Diogenes

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Every home is a university and the parents are the teachers.

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Teach the children so it will not be necessary to teach the adults.

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Dogs and philosophers do the greatest good and get the fewest rewards. -Diogenes

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Be thankful to thy teacher. ― Lailah Gifty Akita

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I know nothing, except the fact of my ignorance. -Diogenes

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Failure is not fatal. Failure should be our teacher, not our undertaker. It should challenge us to new heights of accomplishments, not pull us to new depths of despair. From honest failure can come valuable experience. — William Arthur Ward

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I've seen and met angels wearing the disguise of ordinary people living ordinary lives. - Tracy Chapman

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