Now it
is clear that this problem about the concept of time asks for an
answer given in the form of strict rules. The puzzle is
about rules. ‒ ‒ ‒ Take another example:
Socrates' question:
“What is knowledge?” Here the
case is even clearer, as the discussion begins with the pupil
giving an example of an
43.
exact definition; and then
analogous to this, a definition of the word
“knowledge” is asked for. As the problem
is put, it seems that there is something wrong with the ordinary
use of the word “knowledge”. It
appears, we don't know what it means, and that therefore,
perhaps, we have no right to use it. We should
reply: “There is no one exact usage of the word
‘knowledge’; but we can make up several such
usages, which will more or less agree with the ways the word is
actually used.