现在已经清楚,杂种形成的种子具有两个分化性状中的一个或另一个。
不要让成功冲昏头脑,也不要让失败打击内心。
The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.