english: A rainbow has seven colors; there are seven deadly sins (and virtues); there are seven days in a week; the moon changes from one phase to another every seven days; the list seems endless.
non_english: Tha Di-Sathairne mar [[Sàbaid]] dhannan [[IùdhachIùdhachd|IùdhaichIùdhach]] agus Seventh Day Adventists.