midnight
Do you know them all ? How I should like to learn them from you ! '' Rolf was much pleased with the idea of giving lessons in astronomy , to one so eager to learn . `` Let us begin now , '' said he enthusiastically ; `` I will tell them all to you one after another , even if it takes till midnight . '' This reminded Dora how late it was . `` No , Rolf '' she said quickly , `` thank you very much , but no more to-night . To-morrow ; will you tell me to-morrow ? ''