农业的真正进步应以收成和生态系统健康双重标准衡量。

我的作品是我对世界的观察。

The world must be set in order. The time has come when ethics must be dealt with by science, and never again by mere opinion.

"The wise man learns more from his enemies than the fool from his friends."

广东话谚语

每个孩子都应该在他们读的故事中看到自己。