DUST AND CLEANLINESS 



39 



it streams in through the window. In almost every room, 

 in this sunshine, you will see hundreds and thousands 

 of dust-specks that look like tiny air ships floating up 

 and down on the sunbeam, fairy ships of shining gold. 



A DUST STORM 



Now pick up a corner of the rug and shake it, or draw 

 a heavy curtain back and forth on its pole, and look at 

 the band of sunshine again. Suddenly the little fleet is 

 ten thousand times as big. Thousands and thousands of 

 those air ships are crowding each other and racing on 

 the stream of sunlight. It is a beautiful sight, although, 



