Efficiency in mining isn't just about speed; it's about doing more with less waste.
"A book is a fragile creature, it suffers the wear of time, it fears rodents, the elements and clumsy hands. So the librarian protects the books not only against mankind but also against nature and devotes his life to this war with the forces of oblivion."
复杂是你的敌人。任何傻瓜都能把事情复杂化。
我们不是从祖先那里继承了海洋;而是从子孙那里借来的。