Quarter past eleven
`` Now he knows we are here he will try to do us harm , mark my words . '' The walk that afternoon proved full of interest , and in the evening they went to see a performance of a light opera at the Columbia Theater . The performance gave them a good deal of pleasure . `` Quarter past eleven ! '' exclaimed Dick , when they were coming away . `` That 's the time we got our money 's worth . '' `` I thought it must be late , '' said Tom .