Forgetfulness.  Where do the memories go?  Are they filed away in a computer?  Of sorts, but they are not solid.  Thoughts are, indeed, things.  They each have their own frequency, and
energy cannot be destroyed.  Every thought
you have ever had exists as a discreet frequency and is retrievable, but not
from the brain … from the sea of consciousness you are swimming in. 

Have you forgotten
something?  Using the power of
consciousness, set the intention to retrieve it from the sea.  In this way you have cast the hook.  Now, just as in fishing, you need not do
anything else.  Further casting about
merely muddies the waters.  Sit still and
wait, the bait is set.  You may actually
leave the line and get on with something else. 
Because you cast the line with the intention of catching that one
specific memory, you will know when it is on the line and can reel in the
prize. 

Fascinating, is it
not?  But not magic.  Merely the truth of consciousness.