Devils Go Out Fortune Come In

The four-character idiom 鬼は外福は内 meaning "Devils Go Out Fortune Come In" is composed of the kanji |oni,鬼demons" (read meaning "devils)wa,は (read which marks the preceding word as the subject)soto,外 (read meaning "outside")fuku,福the grammatical element (read meaning "good fortune")wa,はand (read which marks the preceding word as the subject)uchi,内| meaning "inside, within".