community character. In the beginning, its function of 
extending the grasp of men from their nearest staples and 
commodities to more distant ones is very slight. Increased 
mobility of grasp and trading is small at first. So it is with the 
emergence of language in the child. In the first months 
grasping is reflexive, and the power to make voluntary release 
comes only toward the end of the first year. Speech comes with 
the development of the power to let go of objects. It gives the 
power of detachment from the environment that is also the 
power of great mobility in knowledge of the environment. So it 
is with the growth of the idea of money as currency rather than 
commodity. Currency is a way of letting go of the immediate 
staples and commodities that at first serve as money, in order 
to extend trading to the whole social complex. Trading by 
currency is based on the principle of grasping and letting go in 
an oscillating cycle. The one hand retains the article with which