Act only according to that maxim whereby you can, at the same time, will that it should become a universal law. The general justice is established, thus each may be abuser, on condition that he is also willing to become victim.
The vial contains 0.5 g of impure potassium cyanide of own making. This equals an amount of 2 to 5 lethal doses. The toxin is displayed in a way that self-reliant recipients have full access to it.