In the Bible, in the books of Exodus and Numbers, God’s people were ordered to wear blue cords tied to their garments every single day as a reminder of the God who brought them out of slavery, the God who was taking them into the Promised Land.
У дзвюх апошніх запаведзях Дэкалогу выразна гучыць папярэджанне Пана Бога, скіраванае да кожнага чалавека, каб сачыў за парывамі свайго сэрца.