Maleakhi 1:2

1:2 “I have shown love to you,” says the Lord, but you say, “How have you shown love to us?”

“Esau was Jacob’s brother,” the Lord explains, “yet I chose Jacob

Maleakhi 3:14

3:14 You have said, ‘It is useless to serve God. How have we been helped ¹  by keeping his requirements and going about like mourners before the Lord who rules over all? ² 

[3:14]  ¹ tn Heb “What [is the] profit”; NIV “What did we gain.”

[3:14]  ² sn The people’s public display of self-effacing piety has gone unrewarded by the Lord. The reason, of course, is that it was blatantly hypocritical.