The Lockless Door
-Robert Frost

It went many years,
 But at last came a knock,
 And I thought of the door
 With no lock to lock.

 I blew out the light,
 I tip-toed the floor,
 And raised both hands
 In prayer to the door.

 But the knock came again
 My window was wide;
 I climbed on the sill
 And descended outside.

 Back over the sill
 I bade a "Come in"
 To whoever the knock
 At the door may