Deuteronomy 16:8

16:8 You must eat bread made without yeast for six days. The seventh day you are to hold an assembly for the Lord your God; you must not do any work on that day.

Deuteronomy 28:66

28:66 Your life will hang in doubt before you; you will be terrified by night and day and will have no certainty of surviving from one day to the next.