Through faith Abel offered to God a more acceptable sacrifice than Cain did, and through this faith he obtained testimony that he was righteous, God giving the testimony by accepting his gifts; and through it, though he is dead, he still speaks.

For when God gave the promise to Abraham, since He had no one greater to swear by, He swore by Himself,

and again, "As for Me, I will be one whose trust reposes in God;" and again, "Here am I, and here are the children God has given Me."