Beware of shedding blood and of making a habit of it, for blood never sleeps.

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  The end cannot justify the means, for the simple and obvious reason that the means employed determine the nature of the ends produced.

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  Freedom is the freedom to say that two plus two make four. If that is granted, all else follows.

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  No ruler should put troops into the field merely to gratify his own spleen; no general should fight a battle simply out of pique.

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  If I am upright, people will act without being ordered. If I am not upright, they will not obey even when I give orders.

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  The mind of the superior man is conversant with righteousness; the mind of the mean man is conversant with gain.

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  Retire into yourself. The reason that rules you is content with itself when it does what is just, and so secures tranquillity.

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