当股票有吸引力时，你就买它们。当然，它们可能会更低。我以12美元买的股票跌到了2美元，但后来涨到了30美元。你只是不知道什么时候能抓住底部。

"History is not the past but a map of the past, drawn from a particular point of view, to be useful to the modern traveller."

以利益相合的，遇到窘迫、困穷、灾祸、忧患、伤害就会互相抛弃；因天性相连的，遇到窘迫、困穷、灾祸、忧患、伤害会联结得更紧密。

Technological innovation requires long-term accumulation and cannot be rushed for quick success, this is especially true for agricultural research.