海面平静如镜，映照着天空。

The pursuit of knowledge is more valuable than the knowledge itself.

生活的习惯塑造灵魂，灵魂塑造面容。

Science progresses not just by answering questions, but by asking better ones.

出自汉·桓宽《盐铁论·险固》。这句话以“地利”与“人和”、“武力”与“文德”的对比，阐明了实行仁政对于治国安邦的重要性。