自然的简单性不应以我们对简单性的概念来衡量。

The art of teaching consists in large part of the ability to awaken the natural curiosity of young minds and to satisfy it with the nourishment of knowledge.

Ethics is the general enquiry into what is good.

所有的变化，即使是最渴望的，也带着忧郁；因为我们留下的是一部分的自己；我们必须告别一种生活，才能进入另一种。

The future of democracy depends on its ability to deliver economic growth and social justice.

Time is dead as long as it is being clicked off by little wheels; only when the clock stops does time come to life.