Kitap 5
2
Our enquiry may follow the same procedure as our preceding investigations.
3
Now we observe that everybody means by Justice that moral disposition which renders men apt to do just things, and which causes them to act justly and to wish what is just; and similarly by Injustice that disposition which makes men act unjustly and wish what is unjust. Let us then assume this definition to start with as broadly correct.
4
The fact is that it is not the same with dispositions as with sciences and faculties. It seems that the same faculty or science deals with opposite thingsFor instance, medicine studies both health and disease. Cf. 9.16.; but a disposition or condition which produces a certain result does not also produce the opposite results; for example, health does not give rise to unhealthy actions, but only to healthy ones: healthy walking means walking as a healthy man would walk.i.e., it does not also mean walking lame.
