【讲解】:聪明智慧的人爱水,有仁德的人爱山。聪明智慧的人爱活跃,有仁德的人爱沉静。聪明智慧的人快乐,有仁德的人长寿。
The only fence against the world is a thorough knowledge of it.
Certification is not the destination; it's the starting point of responsible forestry.