"The world is a very puzzling place, and it is a great privilege to be able to think about it."

Brand is just a perception, and perception will match reality over time.

To love is to give without expecting anything in return.

最好的性能改进是从非工作状态到工作状态的转变。

充分发挥人的天性禀赋，发挥得越多越好：运用天性去穷究物理，极尽智力，通达自然，思惟神妙，造就豁达的胸怀和高洁的品德；尽量压抑人的情感欲望，遏制到越少越好：管束自己去谨慎说话，持重办事，约束自身，心地高洁，还要节衣缩食并减少情欲和嗜好。