Escribir sobre el pasado es una forma de entender el presente.
If you're not making mistakes, you're not trying hard enough.
The chemical industry is the backbone of modern civilization, and we must treat it with the responsibility it deserves.
【译文】 孔子说:“吃粗粮、喝白水、弯着胳膊当枕头,乐也在其中了!缺少仁义的富贵,对我来说,就象天上的浮云。”
在气候多变的时代,适应是生存的关键。
粮食安全始于土壤安全。