No More Learning

If you cannot succeed in taking possession
of it, in melting it so well in the crucible of your mind that it
will be no longer           from the matter in fusion which
is already bubbling there, better discard it, however pleasing,
however ingenious it may be:
Be assured there will be nothing good in your lecture but
what you shall have thought for yourself; and what you shall
have thought for yourself will always have a certain seal of ori-
ginality.