When Elie got 25 lashes with the whip and passed out from the pain, why did he say his father must have suffered more than he did?

Franek has taken to beating Elie's father daily for not being able to march in step. Really, he does this because Elie won't give up his gold crown. When Elie is lashed with the whip, he feels he should not complainer because his father must suffer daily beatings.