In mining, safety isn't just policy - it's personal.

在科学中，我们试图解释我们不理解的事物。在数学中，我们试图理解我们无法解释的事物。

The deepest problems of modern life derive from the claim of the individual to preserve the autonomy and individuality of his existence in the face of overwhelming social forces, of historical heritage, of external culture, and of the technique of life.

The writer’s role is to question, not to comfort.