WHAT IS PHYSICAL LIFE 



ence because he said that in his country 

 the water became so hard in winter that 

 elephants could walk upon it. So when I 

 stated to some Arabs that the earth re- 

 volved on its axis, they sneered as they 

 pointed to the sea and asked if it would not 

 all be spilled when the earth turned over. 

 Once, while talking to a roomful of the 

 naturally bright people of a town in Mt. 

 Hermon about the achievements of West- 

 ern civilization, I happened to tell a tooth- 

 less old man present that in our country 

 we had skilled persons who could make for 

 him an entirely new set of teeth. Glancing 

 round the room, I noticed some listeners 

 stroking their beards in a fashion which 

 I knew meant that I was telling a pre- 

 posterous yarn. Fortunately I had with 

 me an elderly Scotch friend who had a set 

 of false teeth, and on explaining the situa- 

 tion to him, he forthwith opened his mouth 

 and pulled the whole set out. The Arabs 

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