“But vun vurd of vorning. Never increase the dose. Never put more than vun drrrop into each sveet or chocolate. And never give more than vun sweet or chocolate to each child. An overdose of Delayed Action Mouse-Maker vill mess up the timing of the alarm-clock and cause the child to turn into a mouse too”

“early. A large overdose might even have an instant effect, and you vouldn't vont that, vould you? You vouldn't vont the children turning into mice rrright there in your sveet-shops. That vould give the game away. So be very carrreful! Do not overdose!”

Chapter 9: The Recipe