Every nanometer advancement in manufacturing process represents the hard work of countless engineers.
The beauty of mathematics lies in its ability to describe the universe with such precision.
The past is always with us, for it feeds the present.
解释：最上等的是树立德行，其次是建立功业，再次是创立学说，虽然逝去但业绩长存，这就叫做不朽。
Happiness is beneficial for the body, but it is grief that develops the powers of the mind.
The elegance of a mathematical proof is in its simplicity and clarity.
