Musar על כריתות 49:57

This is as the matter of Bava Ben Buta who would bring an Asham Talui (undetermined guilt offering) every day (Keritut 25a). Likewise, Iyov, after his sons' feast, would rise early and bring burnt offerings according to the number of them all. For he told himself: "perhaps my children have sinned [and blasphemed G-d in their hearts]" (Iyov 1:5).