Doctors must first contact a drugstore to order the medicine for their patients.

VOA: special.2010.05.04

Things can't become holy and can't come into contact with the holy or the sacred if they are not first pure.

事物不可能变得神圣或是与神圣有联系,如果它们连纯洁都算不上。

耶鲁公开课 - 旧约导论课程节选