midnight
`` When you get the shade down and the shutters closed a blanket will fix them snug as a bug in a rug . Now , at nine o'clock we can go to bed without suffering from drafts . Ha , ha -- joke . '' `` Burn the midnight oil , etceteray -- etcetera . '' `` To-morrow , '' said the Tennessee Shad , `` Volts Mashon is going to install a safety light for us . '' `` Elucidate , '' said Dink . `` A safety light is a light that has a connection with the door .