ut, judging from his arguments, he fails in two points. First,
because, from observing that sensible and bodily pleasure consists in
a certain movement and "becoming," as is evident in satiety from
eating and the like; he concluded that all pleasure arises from some
"becoming" and movement: and from this, since "becoming" and movement
are the acts of something imperfect, it would follow that pleasure is
not of the nature of ultimate perfection. But this is seen to be
evidently false as regards intellectual pleasures: because one takes
pleasure, not only in the "becoming" of knowledge, for instance, when
one learns or wonders, as stated above (Q. 32, A. 8, ad 2); but also
in the act of contemplation, by making use of knowledge already
acquired.

Secondly, because by greatest good he understood that which is the
supreme good simply, i.e. the good as existing apart from, and
unparticipated by, all else, in which sense God is the Supreme Good;
whereas we are speaking of the greatest good in human things. Now the
greatest good of everything is its last end. And the end, as stated
above (Q. 1, A. 8; Q. 2, A. 7) is twofold; namely, the thing itself,
and the use of that thing; thus the miser's end is either money or
the possession of money. Accordingly, man's last end may be said to
be either God Who is the Supreme Good simply; or the enjoyment of
God, which implies a certain pleasure in the last end. And in this
sense a certain pleasure of man may be said to be the greatest among
human goods.

Reply Obj. 1: Not every pleasure arises from a "becoming"; for some
pleasures result from perfect operations, as stated above.
Accordingly nothing prevents some pleasure being the greatest good,
although every pleasure is not such.

Reply Obj. 2: This argument is true of the greatest good simply, by
participation of which all things are good; wherefore no addition can
make it better: whereas in regard to other goods, it is universally
true that any good becomes better by the addition of another good.
Moreover it might be said that pleasure is not something extraneous
to the operation of virtue, but that it accompanies it, as stated in
_Ethic._ i, 8.

Reply Obj. 3: That pleasure is the greatest good is due not to the
mere fact that it is pleasure, but to the fact that it is perfect
repose in the perfect good. Hence it does not follow that every
pleasure is supremely good, or even good at all. Thus a certain
science is supremely good