Republic," he found that, in order to do justice to his subject, he must
have recourse to the authorities to be found only in the libraries and
state archives of Europe. In the year 1851 he left America with his
family, to begin his task over again, throwing aside all that he had
already done, and following up his new course of investigations at
Berlin, Dresden, the Hague, and Brussels during several succeeding years.
I do not know that I can give a better idea of his mode of life during
this busy period, his occupations, his state of mind, his objects of
interest outside of his special work, than by making the following
extracts from a long letter to myself, dated Brussels, 20th November,
1853.

After some personal matters he continued:--

"I don't really know what to say to you. I am in a town which, for
aught I know, may be very gay. I don't know a living soul in it.
We have not a single acquaintance in the place, and we glory in the
fact. There is something rather sublime in thus floating on a
single spar in the wide sea of a populous, busy, fuming, fussy world
like this. At any rate it is consonant to both our tastes. You may
suppose, however, that I find it rather difficult to amuse my
friends out of the incidents of so isolated an existence. Our daily
career is very regular and monotonous. Our life is as stagnant as a
Dutch canal. Not that I complain of it,--on the contrary, the canal
may be richly freighted with merchandise and be a short cut to the
ocean of abundant and perpetual knowledge; but, at the same time,
few points rise above the level of so regular a life, to be worthy
of your notice. You must, therefore, allow me to meander along the
meadows of commonplace. Don't expect anything of the impetuous and
boiling style. We go it weak here. I don't know whether you were