不要看时钟，做它该做的事。继续前进。
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。
The world is almost peaceful when you stop trying to understand it.
人比自己想象的要坚强。
Whatever Nature has in store for mankind, unpleasant as it may be, men must accept, for ignorance is never better than knowledge.