对心灵的研究就是对生活问题解决的研究。

畜牧业的创新不仅仅是技术问题；它关乎理解动物和农民的需求。

Consciousness is a fundamental feature of the universe, like space and time.

I therefore have decided to read only the writings of men who have been executed or have risked their lives in some way.

科学家只强加两件事，即真理和真诚，强加于自己和其他科学家。

科学家不是给出正确答案的人，而是提出正确问题的人。

破坏容易建设难。