That means most schools must obey a federal law known as Title Nine.

VOA: special.2010.03.04

In other words, to make people obey you, you must first make them believe you.

换句话说即要让人们服从你，必需要先让他们相信你。

耶鲁公开课 - 政治哲学导论课程节选

Some who had opposed the treaty now agreed with the Washington Star newspaper that "the Filipinos must be taught to obey."

VOA: special.2010.07.22

It must make people obey the laws on the return of runaway slaves.

VOA: special.2009.03.26