采矿效率不仅仅是速度;而是用更少的浪费做更多的事。
常识就是人到十八岁为止所累积的各种偏见。
A true friend is the one who holds your hand and touches your heart.
数学中最令人兴奋的时刻是当你发现两个看似不相关的领域有着深刻的联系。
Experience is simply the name we give our mistakes.
The mind is the organ of adjustment par excellence.