"No hay nada más peligroso que una idea cuando es la única que se tiene."

A shortage is a sign that somebody is keeping the price artificially lower than it would be if supply and demand were allowed to operate freely.

你画的每一笔都应该有目的，即使只是为了让人微笑。

The best way to learn mathematics is to do mathematics.

创新不仅仅是技术问题；它关乎我们思考和行动的方式在农业中的改变。