Job made a covenant with his eyes (Job 31:1; w10-E 4/15 21 ¶8)

Job kept in mind the consequences of wrongdoing (Job 31:2, 3; w08-E 9/1 11 ¶4)

Job remembered that Jehovah observes his conduct (Job 31:4; w10-E 11/15 5-6 ¶15-16)

To be chaste means to be pure and undefiled, not just outwardly but inwardly. We want to be chaste even in our heart.​—Mt 5:28.