My scientific studies have afforded me great satisfaction; and I am convinced that it will not be long before the whole world acknowledges the results of my work.

真相可能是一把双刃剑，两面都伤人。

即便你是富贵之人或王侯将相，最终也会像荒草一样被埋葬在岁月中。

我们必须将土壤健康视为粮食安全的基础。