Summa Theologica

We must now consider the parts of temperance in particular: and in the first place the integral parts, which are shamefacedness and honesty. With regard to shamefacedness there are four points of inquiry:

(1) Whether shamefacedness is a virtue?

(2) What is its object?

(3) Who are the cause of a man being ashamed?

(4) What kind of people are ashamed?