'Ungrateful' in the Bible

But love [that is, unselfishly seek the best or higher good for] your enemies, and do good, and lend, expecting nothing in return; for your reward will be great (rich, abundant), and you will be sons of the Most High; because He Himself is kind and gracious and good to the ungrateful and the wicked.

For people will be lovers of self [narcissistic, self-focused], lovers of money [impelled by greed], boastful, arrogant, revilers, disobedient to parents, ungrateful, unholy and profane,