Every setback is a setup for a comeback.
每一次挫折都是为了东山再起。
The most significant threat to liberal democracy today is not from the outside, but from within.
Don't ever let somebody tell you you can't do something, not even me.
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。
黄金和白银,像其他商品一样,具有内在价值,这不是任意的,而是取决于它们的稀缺性、获取它们所耗费的劳动量以及在矿山中使用的资本价值。