Act only according to that maxim whereby you can at the same time will that it should become a universal law.

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  Two things fill the mind with ever new and increasing admiration and awe: the starry heavens above me and the moral law within me.

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  Until philosophers become kings in their cities, or those now called kings and rulers truly become philosophers, cities will have no rest from their evils.

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  Injustice brings discord into a man’s soul, while justice establishes order and harmony in it.

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  Man is born free, and everywhere he is in chains.

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  Out of constables we have made grandees, idiots have shared out the honours, thieves are making rich men for us, dark souls have called themselves patriots.

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  There is no shame in being happy.

All quotes