CENTURY III. 143 



posture, and again to retain part of their principal 

 spirit ; which two things, equal posture and quick 

 spirits, are required chiefly to make colours light 

 some. 



Experiment solitary touching prolongation of life. 



292. It conduceth unto long life, and to the more 

 placid motion of the spirits, which thereby do less 

 prey and consume the juice of the body, either that 

 men s actions be free and voluntary, that nothing be 

 done &quot; invita Minerva,&quot; but &quot; secundum genium ;&quot; 

 or on the other side, that the actions of men be full 

 of regulation and commands within themselves : for 

 then the victory and performing of the command 

 giveth a good disposition to the spirits, especially if 

 there be a proceeding from degree to degree ; for 

 then the sense of the victory is the greater. An 

 example of the former of these is in a country life ; 

 and of the latter in monks and philosophers, and 

 such as do continually enjoin themselves. 



Experiment solitary touching appetite of union in 



bodies. 



293. It is certain that in all bodies there is an 

 appetite of union and evitation of solution of conti 

 nuity ; and of this appetite there be many degrees ; 

 but the most remarkable and fit to be distinguished 

 are three. The first in liquors ; the second in hard 

 bodies; and the third in bodies cleaving or tena 

 cious. In liquors this appetite is weak : we see in 

 liquors the threading of them in stillicides, as hath 



