On these matters, feelings of pleasure or pain are apt to bias the mind, by insinuating wrong aims; which they do not do in regard to the properties of a triangle and other scientific conclusions.

To guard against such bias, the judicious man must be armed with the ethical excellence described above as Temperance or Moderation.

Judiciousness is not an Art, admitting of better and worse; there are not good judicious men, and bad judicious men, as there are good and bad artists.

Judiciousness is itself an excellence (_i.e._, the term connotes excellence)--an excellence of the rational soul, and of that branch of the rational soul which is calculating, deliberative, not scientific (V.).

Reason or Intellect [Greek: nous] is the faculty for apprehending the first principles of demonstrative science.