46 



The eight diagrams C 1 ) of the sage are all exact; 



When (all) know the secret and uuderstand our aim, lay them up again. 





A 



A 



PIJ 



ft 





The Pencil is, likewise, celebrated by this quatrain: 



The master (Confucius) has left us a hair-pencil, 



Whiclï is able to become a pillar of the world. 



The eight diagrams manifestly are all exact; 



When (all) know the secret and understand our aim, it can be laid up. 



A 



R 



* 



% 



fr 



T 





m 

 ft 

 ■•r 





( l ) Invented by the emperor Fuh-hi. Compare Introduction, p. xxiii. 



