大自然是所有艺术家中最精妙的一位。
Nature is the most subtle artist of all.
有一个你无法解决的问题总是好的。这意味着你有事情要做。
国君若真的希望人民多而不希望人民减少的话,如果要蓄养姬妾,就不能不节制。
Any woman who understands the problems of running a home will be nearer to understanding the problems of running a country.
Science should be accessible to everyone, regardless of background.