EIGHTH ARTICLE [I-II, Q. 5, Art. 8]

Whether Every Man Desires Happiness?

Objection 1: It would seem that not all desire Happiness. For no man

can desire what he knows not; since the apprehended good is the object

of the appetite (De Anima iii, 10). But many know not what Happiness

is. This is evident from the fact that, as Augustine says (De Trin.

xiii, 4), "some thought that Happiness consists in pleasures of the

body; some, in a virtue of the soul; some in other things." Therefore

not all desire Happiness.

Obj. 2: Further, the essence of Happiness is the vision of the Divine

Essence, as stated above (Q. 3, A. 8). But some consider it

impossible for man to see the Divine Essence; wherefore they desire

it not. Therefore all men do not desire Happiness.

Obj. 3: Further, Augustine says (De Trin. xiii, 5) that "happy is he

who has all he desires, and desires nothing amiss." But all do not

desire this; for some desire certain things amiss, and yet they wish

to desire such things. Therefore all do not desire Happiness.

_On the contrary,_ Augustine says (De Trin. xiii, 3): "If that actor

had said: 'You all wish to be happy; you do not wish to be unhappy,'

he would have said that which none would have failed to acknowledge

in his will." Therefore everyone desires to be happy.

_I answer that,_ Happiness can be considered in two ways. First

according to the general notion of happiness: and thus, of necessity,

every man desires happiness. For the general notion of happiness

consists in the perfect good, as stated above (AA. 3, 4). But since

good is the object of the will, the perfect good of a man is that

which entirely satisfies his will. Consequently to desire happiness

is nothing else than to desire that one's will be satisfied. And this

everyone desires. Secondly we may speak of Happiness according to its

specific notion, as to that in which it consists. And thus all do not

know Happiness; because they know not in what thing the general

notion of happiness is found. And consequently, in this respect, not

all desire it. Wherefore the reply to the first Objection is clear.

Reply Obj. 2: Since the will follows the apprehension of the

intellect or reason; just as it happens that where there is no real

distinction, there may be a distinction according to the

consideration of reason; so does it happen that one and the same

thing is desired in one way, and not desired in another. So that

happiness may be considered as the final and perfect good, which is

the general notion of happiness: and thus the will naturally and of

necessity tends thereto, as stated above. Again it can be considered

under other special aspects, either on the part of the operation

itself, or on the part of the operating power, or on the part of the

object; and thus the will does not tend thereto of necessity.

Reply Obj. 3: This definition of Happiness given by some--"Happy is

the man that has all he desires," or, "whose every wish is

fulfilled," is a good and adequate definition, if it be understood in

a certain way; but an inadequate definition if understood in another.

For if we understand it simply of all that man desires by his natural

appetite, thus it is true that he who has all that he desires, is

happy: since nothing satisfies man's natural desire, except the

perfect good which is Happiness. But if we understand it of those

things that man desires according to the apprehension of the reason,

thus it does not belong to Happiness, to have certain things that man

desires; rather does it belong to unhappiness, in so far as the

possession of such things hinders man from having all that he desires

naturally; thus it is that reason sometimes accepts as true things

that are a hindrance to the knowledge of truth. And it was through

taking this into consideration that Augustine added so as to include

perfect Happiness--that he "desires nothing amiss": although the

first part suffices if rightly understood, to wit, that "happy is he

who has all he desires."

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TREATISE ON HUMAN ACTS: ACTS PECULIAR TO MAN (QQ. 6-21)

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Summa Theologica, Part I-II (Pars Prima Secundae) From the Complete American Edition · 第 54 / 746 题