“Next, you should not carelessly throw away the water that remains after washing the rice. In olden times a cloth bag was used to filter out the water when it was thrown away. When you have finished washing the rice, put it into the cooking pot. Take special care, lest a mouse accidentally falls into it. Under no circumstances allow anyone who happens to be drifting through the kitchen to poke his fingers around or look into the pot.” What is Dōgen Zenji telling us? He didn’t write this just for the tenzo. What can we all learn?