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The first man who， having enclosed a piece of ground， bethought himself of saying 'This is mine，' and found people simple enough to believe him， was the real founder of civil society.

The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.

The theory of Communism may be summed up in one sentence: Abolish all private property.

"To live is to suffer, to survive is to find some meaning in the suffering."

The real question is not whether machines think but whether men do.

Without food, man can live at most but a few weeks; without it, all other components of social justice are meaningless.

To me, you are still nothing more than a little boy who is just like a hundred thousand other little boys. And I have no need of you. And you, on your part, have no need of me. To you, I am nothing more than a fox like a hundred thousand other foxes.

The investor's chief problem - and even his worst enemy - is likely to be himself.

The light of truth will eventually pierce the darkness.

如果某人試圖說服你，想讓你認為那不是傳銷，那么它就是傳銷。