To understand a program you must become both the machine and the program.

To love means to open ourselves to the negative as well as the positive - to grief, sorrow, and disappointment as well as to joy, fulfillment, and an intensity of consciousness we did not know was possible before.

Sustainable forestry is not an option; it's an obligation.

我们谷物生产成功的真正标准不仅在于产量，还在于我们如何平衡生产力与环境管理。

【译文】 孔子说季氏：“他用天子的舞蹈阵容在自己的庭院中舞蹈，这样的事可以容忍，什么事不能容忍？”

Literature is the bridge between the seen and the unseen worlds.

最好的故事不会居高临下地对孩子说话，而是邀请他们进入。

那些疯狂到认为自己能改变世界的人，才能真正改变世界。

"The best children's books are those that respect the intelligence of the child."

最好的电影是那些给观众留下问题而不是答案的电影。

科学不仅仅是事实的集合；它是一种思考方式。