每个词都是通向理解的一步，但也是通向困惑的一步。

过去并未死去；它甚至还未过去。

Who can afford to do professional work for nothing?

The heart of the Waldorf method is that education is an art—it must speak to the child's experience. To educate the whole child, his heart and his will must be reached, as well as the mind.

实现明天的唯一限制将是我们今天的疑虑。

最小作用量原理是物理学的一个统一原理。