Consumers are required to use their credit cards with due diligence, which includes making sure that strangers cannot find or see their PIN.

a solvable problem

In order that these very important mails might not be unnecessarily delayed, we procured an express engine, and having, as is customary in such cases, fastened those for Manchester and the North on a larry between the engine and the Post-office, they being too bulky to travel in the latter, we departed at 8.10, … On our arrival at the next station, Crewe, we were much alarmed at the intelligence received from the engineer, that one of the bags on the larry, which proved to be the Carlisle, was on fire: …

I didn’t mean what I said — I was only joking.