百门而闭一门焉，则盗何遽无从入哉？
好比有一百扇门而只关上一扇，那么盗贼怎么就会没有地方进去呢
"The past is a foreign country; they do things differently there."
Every word is a world.
历史的重量是无法承受的，但我们必须承担它。
In mathematics, the journey is often more important than the destination.
"The artist must be the conscience of his time."
唯一真正的发现之旅不是去访问陌生的土地，而是拥有其他的眼睛。
释义：人依赖衣食，就像鱼依赖水；国家依赖人民，就像人依赖双脚。鱼没水活不了，人没脚则寸步难行。