采石场运营中的每个挑战都是创新和改进的机会。
每个圣人都有过去,每个罪人都有未来。
The best investments are often the ones that are the most boring.
The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.