Suppose someone said, : “All tools serve to modify something. Thus the hammer modifies the position of the nail, the saw the
shape
form
of the board, etc..” – And what is modified by the ruler, the glue pot, the nails? // And what's does does the ruler modify, or the glue pot, or the nails? – “Our knowledge of the length of
a
the
thing, the temperature of the glue and the firmness of the
box
chest
.” – Would anything be aained by this assimilation under one of our expressions? –