农业成功的真正标准不仅是产量，还有生产它的生态系统的健康。

The most advanced technology in farming is useless without the wisdom of traditional agricultural knowledge.

个人投资者应该始终如一地作为投资者而不是投机者行事。

The study of mathematics is the indispensable basis for all intellectual and spiritual progress.

Technology can change the world, but values determine the direction of change.