Never invest in a company without understanding its finances. The biggest losses in stocks come from companies with poor balance sheets.
The business of education is not to make the young perfect in any one of the sciences, but so to open and dispose their minds as may make them capable of any, when they shall apply themselves to it.
The past is a story we tell ourselves about ourselves.
世界需要负责任的矿工,他们既了解矿产的价值,也明白地球的价值。