语言是过去和未来之间的桥梁。

The worth of a mental process is in its service to life.

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.

"Books are like a mirror. If an ass looks in, you can't expect an angel to look out."

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。