Holier than these days is the Sabbath, which is demarcated by even further rules and observances.

比这些日子更神圣的，是安息日，它被更加严格的规则和规定区分开来。

耶鲁公开课 - 旧约导论课程节选

Originally, they were very rigid about this.

起初，规定是硬性严格的。

耶鲁公开课 - 金融市场课程节选