 a good deed, a commandment, don't let it become what's called in Hebrew, chametz. Don't let it become, you know, what's the right word for it? To allow it to ferment. The idea being that matzah and chametz, the food that we eat, bread versus matzah, they're both flour and water, but the difference is how long do they bake? 18 minutes or 19 minutes? Because one minute