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International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.
The structure of the international system forces states to behave in certain ways, regardless of their internal characteristics.
States are rational actors, and they will always act in their own self-interest.
International politics is a brutal and dangerous business, and it is likely to remain that way.
The concept of law is not a concept of a thing, but of a complex social practice.
The existence of law is one thing; its merit or demerit is another.
The existence of a legal system is a matter of fact, not of morality.
The concept of law is essentially a matter of social fact.
The existence of a legal system is a matter of social fact.
The rule of recognition exists as a social fact.
Law is not morality; do not expect it to accomplish what only morality can.
A sound mind in a sound body, is a short, but full description of a happy state in this World: he that has these two, has little more to wish for; and he that wants either of them, will be little the better for anything else. Men’s happiness or misery is most part of their own making. He, whose mind directs not wisely, will never take the right way; and he, whose body is crazy and feeble, will never be able to advance in it.
But there is only one thing which gathers people into seditious commotion, and that is oppression.
To love truth for truth's sake is the principal part of human perfection in this world, and the seed-plot of all other virtues.
It is one thing to show a man that he is in an error, and another to put him in possession of truth.
Science is the knowledge of consequences, and dependence of one fact upon another.
The value or worth of a man is, as of all other things, his price; that is to say, so much as would be given for the use of his power.
Fear of things invisible is the natural seed of that which every one in himself calleth religion.