When you meet with opposition, even if it should be from your husband or your children, endeavor to overcome it by argument and not by authority, for a victory dependent upon authority is unreal and illusory.
Illustrations should not just decorate the text; they should expand it.
在科学中,最危险的一句话是“我们一直都是这样做的。”
捕捞方式的小改变可以产生积极的连锁反应。