In the Babylonian Talmud (M'nachot 29b) there is a wonderful midrash1 in which Moses is depicted as watching God sitting and writing crowns (embellishments that look a bit like crowns) on some of the letters in the Torah. Moses asked God why the Holy One was doing this.
The Torah tells us (Exodus 12:15-16) to observe Passover for seven days and that the first day and seventh days will be a "sacred occasion." (Yom Tov)
I choose to believe that we all have been enslaved at some point in our lives. Perhaps we have been chained to our fears, worries, and doubts. We may have faced addictions, coped with hardship, and sunk to the lowest depths of all that keeps us down.