Freedom of men under government is to have a standing rule to live by, common to everyone, and not to be subject to the inconstant, uncertain, arbitrary will of another man.

The only way to do great work is to love what you do.

Love all，trust a few ,do wrong to none.

The mining industry must evolve to meet the demands of a changing world.

压力要么让管道爆裂，要么造就钻石。