It is one of the superstitions of the human mind to have imagined that virginity could be a virtue.

出自北齐·颜之推《颜氏家训·勉学》。不管是愚人还是聪明人，总想自己见多识广，但不肯读书，这就等于想吃饱饭却懒得做饭，想穿暖却懒得缝制衣服。

If you want to feed the world, start by listening to those who grow its food.

预测未来的最好方法就是发明它。

艺术是自由的科学。

煤炭技术的创新与其他能源领域的创新同样重要。