Jack made a mental note to find out what a money-market speculator was. Looking at Eliza, he found her looking right back at him, and reckoned that she was thinking the same thing. Then the Doctor distracted her with: 'In order to blend in with that crowd, Eliza, we shall only have to find some way to make you seem half as intelligent as you really are, and to dim your natural radiance so that they'll not be blinded by awe or jealousy.'