Reply to Objection 1: Fortitude behaves well in bearing all manner of adversity: yet a man is not reckoned brave simply through bearing any kind of adversity, but only through bearing well even the greatest evils; while through bearing others he is said to be brave in a restricted sense.
Reply to Objection 2: Since fear is born of love, any virtue that moderates the love of certain goods must in consequence moderate the fear of contrary evils: thus liberality, which moderates the love of money, as a consequence, moderates the fear of losing it, and the same is the case with temperance and other virtues. But to love one's own life is natural: and hence the necessity of a special virtue modifying the fear of death.
Reply to Objection 3: In virtues the extreme consists in exceeding right reason: wherefore to undergo the greatest dangers in accordance with reason is not contrary to virtue.
Whether fortitude is properly about dangers of death in battle?
Objection 1: It seems that fortitude is not properly about dangers of death in battle. For martyrs above all are commended for their fortitude. But martyrs are not commended in connection with battle. Therefore fortitude is not properly about dangers of death in battle.
Objection 2: Further, Ambrose says (De Offic. i) that "fortitude is applicable both to warlike and to civil matters": and Tully (De Offic. i), under the heading, "That it pertains to fortitude to excel in battle rather than in civil life," says: "Although not a few think that the business of war is of greater importance than the affairs of civil life, this opinion must be qualified: and if we wish to judge the matter truly, there are many things in civil life that are more important and more glorious than those connected with war." Now greater fortitude is about greater things. Therefore fortitude is not properly concerned with death in battle.
Objection 3: Further, war is directed to the preservation of a country's temporal peace: for Augustine says (De Civ. Dei xix) that "wars are waged in order to insure peace." Now it does not seem that one ought to expose oneself to the danger of death for the temporal peace of one's country, since this same peace is the occasion of much license in morals. Therefore it seems that the virtue of fortitude is not about the danger of death in battle.
On the contrary, The Philosopher says (Ethic. iii) that fortitude is chiefly about death in battle.
I answer that, As stated above (A[4]), fortitude strengthens a man's mind against the greatest danger, which is that of death. Now fortitude is a virtue; and it is essential to virtue ever to tend to good; wherefore it is in order to pursue some good that man does not fly from the danger of death. But the dangers of death arising out of sickness, storms at sea, attacks from robbers, and the like, do not seem to come on a man through his pursuing some good. on the other hand, the dangers of death which occur in battle come to man directly on account of some good, because, to wit, he is defending the common good by a just fight. Now a just fight is of two kinds. First, there is the general combat, for instance, of those who fight in battle; secondly, there is the private combat, as when a judge or even private individual does not refrain from giving a just judgment through fear of the impending sword, or any other danger though it threaten death. Hence it belongs to fortitude to strengthen the mind against dangers of death, not only such as arise in a general battle, but also such as occur in singular combat, which may be called by the general name of battle. Accordingly it must be granted that fortitude is properly about dangers of death occurring in battle.
Moreover, a brave man behaves well in face of danger of any other kind of death; especially since man may be in danger of any kind of death on account of virtue: thus may a man not fail to attend on a sick friend through fear of deadly infection, or not refuse to undertake a journey with some godly object in view through fear of shipwreck or robbers.
Reply to Objection 1: Martyrs face the fight that is waged against their own person, and this for the sake of the sovereign good which is God; wherefore their fortitude is praised above all. Nor is it outside the genus of fortitude that regards warlike actions, for which reason they are said to have been valiant in battle. [*Office of Martyrs, ex. Heb. xi. 34 .]
Reply to Objection 2: Personal and civil business is differentiated from the business of war that regards general wars. However, personal and civil affairs admit of dangers of death arising out of certain conflicts which are private wars, and so with regard to these also there may be fortitude properly so called.
Reply to Objection 3: The peace of the state is good in itself, nor does it become evil because certain persons make evil use of it. For there are many others who make good use of it; and many evils prevented by it, such as murders and sacrileges, are much greater than those which are occasioned by it, and which belong chiefly to the sins of the flesh.
Whether endurance is the chief act of fortitude?
Objection 1: It seems that endurance is not the chief act of fortitude. For virtue "is about the difficult and the good" (Ethic. ii, 3). Now it is more difficult to attack than to endure. Therefore endurance is not the chief act of fortitude.
Objection 2: Further, to be able to act on another seems to argue greater power than not to be changed by another. Now to attack is to act on another, and to endure is to persevere unchangeably. Since then fortitude denotes perfection of power, it seems that it belongs to fortitude to attack rather than to endure.
Objection 3: Further, one contrary is more distant from the other than its mere negation. Now to endure is merely not to fear, whereas to attack denotes a movement contrary to that of fear, since it implies pursuit. Since then fortitude above all withdraws the mind from fear, it seems that it regards attack rather than endurance.
On the contrary, The Philosopher says (Ethic. iii, 9) that "certain persons are" said to be brave chiefly because they endure affliction.
I answer that, As stated above (A[3]), and according to the Philosopher (Ethic. iii, 9), "fortitude is more concerned to allay fear, than to moderate daring." For it is more difficult to allay fear than to moderate daring, since the danger which is the object of daring and fear, tends by its very nature to check daring, but to increase fear. Now to attack belongs to fortitude in so far as the latter moderates daring, whereas to endure follows the repression of fear. Therefore the principal act of fortitude is endurance, that is to stand immovable in the midst of dangers rather than to attack them.
Reply to Objection 1: Endurance is more difficult than aggression, for three reasons. First, because endurance seemingly implies that one is being attacked by a stronger person, whereas aggression denotes that one is attacking as though one were the stronger party; and it is more difficult to contend with a stronger than with a weaker. Secondly, because he that endures already feels the presence of danger, whereas the aggressor looks upon danger as something to come; and it is more difficult to be unmoved by the present than by the future. Thirdly, because endurance implies length of time, whereas aggression is consistent with sudden movements; and it is more difficult to remain unmoved for a long time, than to be moved suddenly to something arduous. Hence the Philosopher says (Ethic. iii, 8) that "some hurry to meet danger, yet fly when the danger is present; this is not the behavior of a brave man."
Reply to Objection 2: Endurance denotes indeed a passion of the body, but an action of the soul cleaving most resolutely [fortissime] to good, the result being that it does not yield to the threatening passion of the body. Now virtue concerns the soul rather than the body.
Reply to Objection 3: He that endures fears not, though he is confronted with the cause of fear, whereas this cause is not present to the aggressor.
Whether the brave man acts for the sake of the good of his habit?
Objection 1: It seems that the brave man does not act for the sake of the good of his habit. For in matters of action the end, though first in intention, is last in execution. Now the act of fortitude, in the order of execution, follows the habit of fortitude. Therefore it is impossible for the brave man to act for the sake of the good of his habit.
Objection 2: Further, Augustine says (De Trin. xiii): "We love virtues for the sake of happiness, and yet some make bold to counsel us to be virtuous," namely by saying that we should desire virtue for its own sake, "without loving happiness. If they succeed in their endeavor, we shall surely cease to love virtue itself, since we shall no longer love that for the sake of which alone we love virtue." But fortitude is a virtue. Therefore the act of fortitude is directed not to fortitude but to happiness.