能源转型不仅仅是燃料的转换，更是整个经济和社会的转型。

The preservation of the means of knowledge among the lowest ranks is of more importance to the public than all the property of all the rich men in the country.

生活中最大的荣耀不在于从不跌倒，而在于每次跌倒后都能站起来。