God I read this so long ago but assuming Bob is the guy accused of beating the white guy's wife, I think the book lets the reader know that he's left handed through Atticus's demonstration when Atticus threw something at Ewell and he caught it with his left hand. Atticus then asks why he didn't catch it with his right and then Ewell says he hurt it when he was younger.
Answer:"its all about working harder for temporary gain"
Explanation:
Based on the story of "The Tragical History of Doctor Faustus", Faustus signed a contract with Mephistophilis, even though few signs appeared before him that he should not agree with the contract. He chose to be on the side of the devil and did a lot of bad things, without thinking what will be of him after the contract. All what he did make him guilty, and gave him the thought that after all what he did, it is too late for him to be forgiven.