在苦难时回忆幸福是最深的痛苦。
There is no greater sorrow than to recall happiness in times of misery.
The only way to get better is to compete against the best.
Music is more than a beautiful melody. It is the deepest expression of the human soul.
礼义法度，是随着时势而变化的。
译文：在平淡中交往的朋友，往往能长久维持；在平静安稳的环境生活，往往会延年益寿。赏析：君子之交淡如水。真正的朋友是看重对方的人品才交往的。清净养生，喧嚣伤身。安静的生活环境，平和的处事心态，方能益寿延年。
Young researchers should not be afraid to challenge conventional wisdom.
