The most perfect education, in my opinion, is such an exercise of the understanding as is best calculated to strengthen the body and form the heart.

Brave doesn't mean you're not scared. It means you go on even though you're scared.

目的的概念在行为的科学解释中没有位置。

释义：阿那克西米尼可能认为，天体的升起是大地呼出气的结果，体现了地气与天体的紧密联系。