tely from sensuousness to thought. He must step backwards, for it
is only when one determination is suppressed that the contrary
determination can take place. Consequently, in order to exchange passive
against active liberty, a passive determination against an active, he
must be momentarily free from all determination, and must traverse a
state of pure determinability. He has then to return in some degree to
that state of pure negative indetermination in which he was before his
senses were affected by anything. But this state was absolutely empty of
all contents, and now the question is to reconcile an equal determination
and a determinability equally without limit, with the greatest possible
fulness, because from this situation something positive must immediately
follow. The determination which man received by sensation must be
preserved, because he should not lose the reality; but at the same time,
in so far as finite, it should be suppressed, because a determinability
without limit would take place. The problem consists then in
annihilating the determination of the mode of existence, and yet at the
same time in preserving it, which is only possible in one way: in
opposing to it another. The two sides of a balance are in equilibrium
when empty; they are also in equilibrium when their contents are of equal
weight.

Thus, to pass from sensation to thought, the soul traverses a medium
position, in which sensibility and reason are at the same time active,
and thus they mutually destroy their determinant power, and by their
antagonism produce a negation. This medium situation in which the soul
is neither physically nor morally constrained, and yet is in both ways
active, merits essentially the name of a free situation; and if we call
the state of sensuous determination physical, and the state of rational
determination logical or moral, that state of real and active
determination should be called the aesthetic.

LETTER XXI.

I have remarked in the beginning of the foregoing letter that there is a
twofold condition of determinableness and a twofold condition of
determination. And now I can clear up this proposition.

The mind can be determined--is determinable--only in as far as it is not
determined; it is, however, determinable also, in as far as it is not
exclusively determined; that is, if it is not confined in its
determination. The former is only a want of determination--it is without
limits, because it is