世界是一本书，不旅行的人只读了一页。

商业成功源于比任何人都更了解客户。

片刻是时间的一小部分，但它可能是非常重要的一部分。

记忆对于不重复过去的错误至关重要。

That “democracy” is a somewhat vague term which I cannot define precisely. We ought to say, therefore: “I am fairly certain that it is a good thing if a government has something of the characteristics that are common to the British and American Constitutions,” or something of this sort.

基本物理现象中的偶然性并非由于我们对隐藏原因的无知，而是自然界的基本属性。

I don't believe in harmony in the traditional sense. I believe in intensity.