金钱只关心所有人共有的东西：它要求交换价值，它将所有质量和个性都简化为一个问题：多少？
Money is concerned only with what is common to all: it asks for the exchange value, it reduces all quality and individuality to the question: How much?
力量不在于打击得有多重或有多频繁，而在于打击得有多准确。
The greatest question of our time is not communism versus individualism, not Europe versus America, not even the East versus the West; it is whether man can bear to live without God.
The best teacher is the one who suggests rather than dogmatizes, and inspires his listener with the wish to teach himself.
每个数学问题都有解答；挑战在于找到它。