在数学中，提出问题的艺术必须比解决问题更有价值。

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.

The best way to predict the future is to invent it.

In chemistry, as in life, the most profound truths are often the simplest.

畜牧管理的创新不仅仅是技术问题，更是理解自然节奏并与之和谐共处的问题。