Glaucon is the impetuous youth who can "just never have enough of fechting" (cf. the character of him in Xen. Mem. iii. 6); the man of pleasure who is acquainted with the mysteries of love; the "juvenis qui gaudet canibus," and who improves the breed of animals; the lover of art and music who has all the experiences of youthful life. He is full of quickness and penetration, piercing easily below the clumsy platitudes of Thrasymachus to the real difficulty; he turns out to the light the seamy side of human life, and yet does not lose faith in the just and true