煤炭开采的创新不是要重新发明轮子,而是要让轮子更高效、更环保。
当你面对一个拧不动的螺栓或螺丝钉的时候:右转是拧紧,左转是拧松。
真理总是存在于简单之中,而不是存在于事物的多样性和混乱之中。
The price of getting what you want is getting what you once wanted.
"Sometimes you have to be apart from people you love, but that doesn't make you love them any less. Sometimes you love them more."