The search for reciprocity laws is a fundamental theme in the history of mathematics.
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.
Modern quarrying must marry the wisdom of geology with the innovation of engineering.
最好的艺术是不解释自己的艺术。