最佳的投资机会往往出现在不确定的时期。
Will you choose a life of ease, or a life of service and adventure?
法律即理性,应当摆脱激情。
矿工的安全永远不应该用成本效益分析来衡量。
The man who is fit to work at any particular trade is unable to understand the science of that trade without the kindly help and cooperation of men of a totally different type of education.