真相很少是纯粹的，也绝不简单。
"The truth is rarely pure and never simple."
Efficiency in grain production isn't an option—it's a necessity.
"The past is a foreign country; they do things differently there."
只要准备一个自由的环境来配合儿童生命的发展阶段，孩子们的精神与秘密便会自发的显现出来了。
The role of the artist is to ask questions, not to give answers.
创新和务实必须齐头并进。
科学家不是给出正确答案的人，而是提出正确问题的人。