What does the spider's web image mean in "Sinners in the Hands of an Angry God"?

Edwards'
use of the spider's webis designed to
highlight the fragility of the individual in relation to
God. Ultimately it
is God's decision as to who goes to heaven and who is damned to the fiery pit

of hell for all eternity. It doesn't matter how prudent, or careful, or self-righteous
we may be
in our daily lives. If God has decided that we're going to hell,
then that's where we're going,
and there's absolutely nothing we can do about
it.

In carrying out good
works, and behaving in a
righteous manner, the individual believer creates his own little moral

universe, in much the same way that the spider generates a web from inside itself. Yet
such a
world, like the spider's web in relation to the forces of nature, is
vulnerable to the will of
God. His decision to consign sinners to hell
smashes the complacent believer's smug little world
to pieces, like a rock
tearing through a spider's web. Instead of relying on ourselves and our

inadequate attempts to achieve salvation on our...