Libri di zi ran ke xue

Zi ran sheng ming qi guan

Ke xue shi jie

Shan qu bu ru dong wu

Zi ran =

Ke xue tan suo zhe =

He xie da zi ran

Wei lan se de xi wang

Xun zhao shi zong huan ying

Yi du kong jian

Zi ran ke

Dang cai se de sheng yin chang qi lai shi tian de

Xiao ke xue jia