EVERYONE knows that the Sabbath falls once every seven days. Did you also know:
David, King of Israel, was the seventh son of Yishai.
Seven weeks divide Passover from Shavuot.
Moses was the seventh generation after Abraham.
Genesis describes the creation of the world in seven days.
The seventh generation after Adam was Henoch, the only person described in all of scripture to be “taken by G-d” due to his righteousness.
The Land of Israel is to lie fallow once every seven years (shmita).