A Lesson for the Passover Seder

Four categories of work. 1) Adam before the sin. 2)Regular work from after the sin. 3) Slavery to Abrahams descendants 4) Extra hard slavery Pharaoh imposed.
Each one has it's snake venom that poisons us and we need to overcome. This is the whole Torah and all of life.
(It's parallel to the 4 levels of venom in today's age. The original from Sin, the first injection, the second injection, and the booster).