The challenge of acting is not to show, but to reveal.

The sun is the soul of the universe, and the earth is its body.

The best policies are those that align economic incentives with ecological health.

艺术家必须是他所处时代的见证者。

如果农民不知道如何有效使用，最先进的技术也毫无价值。

生活是老师，我是学生。