自满者败， 自矜者愚， 自贼者害。
释义：自满易导致失败，自夸实则愚蠢，自我伤害会招致灾祸。
In mathematics, the art of proposing a question must be held of higher value than solving it.
最好的领导者是那些倾听多于发言，并以远见和谦逊行事的人。