The historian must be impartial, but not indifferent.

I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.

音乐是人类心灵在无意识计算中体验到的愉悦。

【释义】：和品德好的人相处，就像进入放满香草的屋子，久了也会染上香气；与恶人交往，如同走进卖臭鱼的店铺，久了也会变臭。  

Only he who desires is amiable and not he who is satiated.

Simplicity can be the most powerful thing.

人民的力量就像水的力量，既能载舟，亦能覆舟。