Wintersonnenwende. Literally: The turning of the winter sun . In Old High German, the longest night of the year was called "Modranecht", "Mothernight," because it marked the return of the light. Ich wünsche Euch Licht und Glück im Neuen Jahr! I wish you light and good fortune in the New Year!
das Licht=the light
das Glück=good luck, good fortune, happiness
die Mutter=the mother
die Nacht=the night
der Wolf=the wolf