Damascenus convenienter assignet tres species irae, scilicet fel, maniam et furorem quia gradus illi irae distinguuntur secundum effectum irae.
Damascene (De Fide Orth. ii, 16) suitably assigns three species of anger--"wrath," "ill-will" and "rancor", because these degrees are distinguished according to various effects of anger.
Tres species irae quas Damascenus ponit, et etiam Gregorius Nyssenus, sumuntur secundum ea quae dant irae aliquod augmentum. Quod quidem contingit tripliciter. Uno modo, ex facilitate ipsius motus, et talem iram vocat fel, quia cito accenditur.
The species of anger given by Damascene and Gregory of Nyssa are taken from those things which give increase to anger. This happens in three ways. First, from facility of the movement itself, and he calls this kind of anger cholos [bile], because it is quickly aroused.
Alio modo, ex parte tristitiae causantis iram, quae diu in memoria manet, et haec pertinet ad maniam, quae a manendo dicitur.
Secondly, on the part of the grief that causes anger, and which dwells some time in the memory; this belongs to menis [ill-will] which is derived from menein [to dwell].
Tertio, ex parte eius quod iratus appetit, scilicet vindictae, et haec pertinet ad furorem, qui nunquam quiescit donec puniat.
Thirdly, on the part of that which the angry man seeks, viz. vengeance; and this pertains to kotos [rancor] which never rests until it is avenged.
Unde philosophus, in IV Ethic., quosdam irascentium vocat acutos, quia cito irascuntur; quosdam amaros, quia diu retinent iram; quosdam difficiles, quia nunquam quiescunt nisi puniant.
Hence the Philosopher (Ethic. iv, 5) calls some angry persons akrocholoi [choleric], because they are easily angered; some he calls pikroi [bitter], because they retain their anger for a long time; and some he calls chalepoi [ill-tempered], because they never rest until they have retaliated [Cf. II-II, 158, 5].