Economic development must be coordinated with environmental protection.

人生苦短，不能不冒险。

人世间的罪恶几乎总是由愚昧无知造成，如果缺乏理解，好心能造成和恶意同样大的危害。

保持孩子健康的最佳方式是让他们保持活跃并均衡饮食。

The function of entrepreneurs is to reform or revolutionize the pattern of production by exploiting an invention or, more generally, an untried technological possibility for producing a new commodity or producing an old one in a new way.