The olfactory system is a remarkable example of how the brain can decode complex information from the environment.

不了解人的缺点，不了解人的优点，不了解人优点中的缺点，不了解人缺点中的优点，就不可以随便用人，不可以随便教人。

Do not think it worthwhile to produce belief by concealing evidence, for the evidence is sure to come to light.

Freedom is a condition of mind,and the best way to secure it is to breed it.

Science is a wonderful thing if one does not have to earn one's living at it.