教堂的圣洁气氛让访客感到平静。

The ___sanctity of the church creates a peaceful atmosphere for visitors.

我们必须维护婚姻的神圣性。

We must uphold the ___sanctity of marriage.

他一生都坚守着道德的圣洁，从未妥协。

He maintained the ___sanctity of his moral principles throughout his life.