This one operation,of putting things into fit places for being acted upon by their own internal forces,and by those residing in other natural objects,is all that man does,or can do,with matter.

• 将物品放到适当的位置，使其受到自身内在力的作用和其他自然物品内在力的作用，乃是人对于物质所做的或所能做的唯一事情。