While this is good, he says the ultimate aim is to completely eliminate mother-to-child transmission of HIV.

VOA: standard.2010.07.01

Could I do more for the ultimate good of the slave population by holding or emancipating what I own?

我是否可以为奴隶的最终利益做的更多,是继续拥有他们,还是解放他们呢

耶鲁公开课 - 美国内战与重建课程节选